A History of Coal Mining in Great Britain
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Tertiary Gravels of the Sierra Nevada of California
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
International Mining Law
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Metal Spinning
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Art of Coppersmithing
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Sampling and Assay of the Precious Metals
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Sounds and Colors of Power
A groundbreaking analysis of the relationship between culture and technology.This is a groundbreaking analysis of the relationship between culture and technology. Dorothy Hosler, an archaeologist, metallurgist, and anthropologist, shows how the methods of materials science, augmented by archaeological and other sources of data, can be used to illuminate historical puzzles such as the origins of the unique metallurgy developed in West Mexico between the seventh and sixteenth centuries. Hosler traces the roots of this technology to Central and South America and establishes that it was introduced to West Mexico in two separate waves, both traveling along a maritime trade route originating in Ecuador and extending as far south as central and southern Peru. She then shows how West Mexican smiths transformed the elements of the technology (including alloy systems, fabrication methods, and artifact designs) to reflect their own perceptions of what were for them late-appearing materials, in that they were introduced some time after the foundations of civilization had appeared in their land. The central question Hosler addresses is why West Mexicans chose not to exploit the utilitarian properties of metals but focused instead on what seem to us to be incidental properties of sound and color. Drawing on historical, ethnographic, and linguistic data, she argues that metallic sounding instruments, especially bells, were used in rituals that offered protection in war, that celebrated creation, fertility, and regeneration, and that figured in concepts of the sacred - rituals, in short, that created a universe through song, through the sound of bells, and through reflective golden and silvery colors. The focus on sound and color thus constituted an expression of divine power. Hosler argues further that the elites and rulers who wore and used these metal objects themselves embodied these supernatural qualities. A rich array of technical date, maps, and photomicrographs support Hosler's analysis.
Innovation in Tbm Traffic Tunnels
Tunnel Boring Machine (TBM) constructed tunnels are widespread, and can deliver significant environmental and cost benefits. However, as noted in the noteworthy examples of TBM traffic tunnels presented in this book, there are still important challenges associated with them, linked in particular to structural safety in the event of earthquakes, as well as cost and safety issues during operation. To face these challenges, Innovation in TBM Traffic Tunnels presents three innovative concepts in the field of construction of TBM rail and road tunnels: the TISB concept that improves the structural safety of those built on soft soil in seismic areas, and the TMG and TMF concepts, for rail and road tunnels, respectively, that allow for significant reduction of their cost and the improvement of safety during operation. Examples of the application of these new concepts in the conceptual design of specific tunnel cases are presented and compared with solutions based on common approaches, demonstrating the additional benefits of these concepts. The book also draws attention to other innovations in TBM tunnelling that may improve the construction of tunnels in the future, especially when using the concepts mentioned above. Innovation in TBM Traffic Tunnels is aimed at professionals involved in the planning, design, and construction of tunnels for transport infrastructure, including authorities, consultants and construction companies, worldwide.
Silver in the Sierra Madre
Dr. Peter Flawn, president-emeritus of the University of Texas, Austin, began life as a geologist. After a stint in World War II, he teamed up with another geologist, Philip W. Beckley, to explore and develop an old Spanish silver mine in a remote, mountainous area of the state of Durango, Mexico, known as the barancas. Beckley was a true soldier of fortune, flying in and out of the site with a small plane, the only way to reach the Santa Cruz mine. This personal memoir includes the decisions and actions of the Dougherty family of Beeville, Texas, the de facto owners of the mine properties, and others closely associated with the project both from Texas and Mexico. Beckley's tragic death, either by accident or by a bandit, eventually closed the project. Dr. Flawn retired after a career in university education and dedicated his memoirs to his old friend, describing their association from the period of 1966 to 1972. The author also provides a history of the Santa Cruz mine from 1908 until 1966, as told through reports and letters from a succession of mine managers.
A Treatise on the Metallury of Iron
A Treatise on the Metallury of Iron is an unchanged, high-quality reprint of the original edition of 1890. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.
Processing of Seismic Reflection Data Using MATLAB
This short book is for students, professors and professionals interested in signal processing of seismic data using MATLAB(TM). The step-by-step demo of the full reflection seismic data processing workflow using a complete real seismic data set places itself as a very useful feature of the book. This is especially true when students are performing their projects, and when professors and researchers are testing their new developed algorithms in MATLAB(TM) for processing seismic data. The book provides the basic seismic and signal processing theory required for each chapter and shows how to process the data from raw field records to a final image of the subsurface all using MATLAB(TM). The MATLAB(TM) codes and seismic data can be downloaded here. Table of Contents: Seismic Data Processing: A Quick Overview / Examination of A Real Seismic Data Set / Quality Control of Real Seismic Data / Seismic Noise Attenuation / Seismic Deconvolution / Carrying the Processing Forward / Static Corrections / Seismic Migration / Concluding Remarks
Socially Just Mining
In this book we consider ways in which mining companies do and can/should respect the human rights of communities affected by mining operations. We examine what "can and should" means and to whom, in a variety of mostly Peruvian contexts, and how engineers engage in "normative" practices that may interfere with the communities' best interests. We hope to raise awareness of the complexity of issues at stake and begin the necessary process of critique--of self and of the industry in which an engineer chooses to work. This book aims to alert engineering students to the price paid not only by vulnerable communities but also by the natural environment when mining companies engage in irresponsible and, often, illegal mining practices. If mining is to be in our future, and if we are to have a future which is sustainable, engineering students must learn to mine and support mining, in new ways--ways which are fairer, more equitable, and cleaner than today.
The Gold Prospector’s Field Guide
Gold prospecting is a fun and profitable adventure! Prices for the precious metal have reached record highs in recent years, and interest has soared amongst people who want to go out into the hills and find some gold of their very own. You can still go out and successfully find gold even today if you know how and where to look.This book is going to teach you how to do it. We'll take a look at the early gold rushes across the United States and identify these historic mining areas that are most likely to produce gold for the modern-day gold prospector. Then from there we will learn how to do a deep-dive into research, locating the exact creeks, rivers, mountains and mines where gold is found. This book will discuss the important details of land ownership, mining claims, and the constantly changing regulations that we need to be aware of before heading out into the field. This necessary step will ensure that we have fun while also staying legal when we head out on our adventures. Once we know where to go, it's time to learn about the geology of gold deposits, and what it takes to mine them effectively. We'll look at the best and most efficient types of mining equipment ranging from the most basic gold pans to modern high-tech metal detectors. If you're willing to put in the effort, the end result will be gold in your poke! We'll learn the proper ways to process the gold, clean it up, and market it for sale to get the best price from your hard work.
The Belt Conveyor
This book describes all parts of belt conveyors, their functions and different types presented one after the other with necessary illustrations covering all the basic aspects so that the reader can obtain an overall understanding of their operation and implementation within the field of bulk material handling, mining and mineral processing. Dedicated study of this work will also enable engineers to carry out minor repairs on their own without having to wait for maintenance personnel. This is an introductory preliminary book for beginners in the field of bulk material handling, mining and mineral processing, written in lucid, easy-to-understand language, well-illustrated, and with self-explanatory descriptions that do not compromise in maintaining academic standards while dealing with the subject matter. A salient feature of this book is that all the new terminology used to describe the components and their functions has been included and explained. Much of the content of this book has been tested and evaluated positively by graduate and postgraduate students and professional engineers of several bulk material handling plants during training programs over the last twenty-five years in India.
Extractive Metallurgy of Cobalt
This book is a compendium, a mine of information, experiences and relevant industry practices, a must have, a book to learn about one of the most influential strategic metal impacting the global economic scene. Roger RUMBU, Met. Eng. - University of Lubumbashi, PPM Certificate - University of Pretoria
Mining Technologies Innovative Development
The present book covers the main challenges, important for future prospects of subsoils extraction as a public effective and profitable business, as well as technologically advanced industry. In the near future, the mining industry must overcome the problems of structural changes in raw materials demand and raise the productivity up to the level of high-tech industries to maintain the profits. This means the formation of a comprehensive and integral response to such challenges as the need for innovative modernization of mining equipment and an increase in its reliability, the widespread introduction of Industry 4.0 technologies in the activities of mining enterprises, the transition to "green mining" and the improvement of labor safety and avoidance of man-made accidents. The answer to these challenges is impossible without involving a wide range of scientific community in the publication of research results and exchange of views and ideas. To solve the problem, this book combines the works of researchers from the world's leading centers of mining science on the development of mining machines and mechanical systems, surface and underground geotechnology, mineral processing, digital systems in mining, mine ventilation and labor protection, and geo-ecology. A special place among them is given to post-mining technologies research.
Introduction to Mining Business Projects - 2nd Edition
Mining operations are the key elements in this time of technical changes and development. Transport, housing, different infrastructures are requiring more and more mining resources. the release of a new smartphone or tablet, the top self-driven electrical, the rocket program are all felt in the womb of the earth somewhere in all continents and very soon in the moon. Even a new secured banking note or a pacemaker have their roots in the mines. Mining resources have not been all evaluated, many are estimated explaining why since the man as started digging, many resources are still available leading more and more people investing in mining operations to fill the needs of this world in perpetual development. This introduction to Mining Business Projects is a tool, a must have to help potential junior miners to make the right path in the ventures of mining operations. Mining operation is a tremendous story to share, please go for it. Roger Rumbu, Met. Eng., PPM, TBOM.
Physical Metallurgy
This compact overview on physical metallurgy provides a detailed coverage of phase equilibria and phase transformations in metals and alloys. It presents the broad range of topics from processes of crystallization and diffusion mechanisms to plastic deformations, recrystallization and phase transformations. It presents the microstructures in various alloys, especially in iron alloys and steels. As an introductory work it is valuable to Material Scientists, Students and Engineers.
The Anthropology of Resource Extraction
This book offers an overview of the key debates in the burgeoning anthropological literature on resource extraction. Resources play a crucial role in the contemporary economy and society, are required in the production of a vast range of consumer products and are at the core of geopolitical strategies and environmental concerns for the future of humanity. Scholars have widely debated the economic and sociological aspects of resource management in our societies, offering interesting and useful abstractions. However, anthropologists offer different and fresh perspectives - sometimes complementary and at other times alternative to these abstractions - based on field researches conducted in close contact with those actors (individuals as well as groups and institutions) that manipulate, anticipate, fight for, or resist the extractive processes in many creative ways. Thus, while addressing questions such as: "What characterizes the anthropology of resource extraction?", "What topics in the context of resource extraction have anthropologists studied?", and "What approaches and insights have emerged from this?", this book synthesizes and analyses a range of anthropological debates about the ways in which different actors extract, use, manage, and think about resources. This comprehensive volume will serve as a key reading for scholars and students within the social sciences working on resource extraction and those with an interest in natural resources, environment, capitalism, and globalization. It will also be a useful resource for practitioners within mining and development.
Rapidly Quenched Metals
Rapidly quenched metals are the subject of an increasing research effort, spurred on both by advancements in metal processing techniques that have made commercial utilization of these metals feasible and by the recent discoveries of unique and potentially useful properties of these materials. Among the processes that have been perfected is splat cooling, in which a liquid metal is cooled by being spread as a thin film against a metal substrate. Other processes involve vacuum evaporation, sputtering, and chemical deposition. Such processes are considered in this book, but its main emphasis is on the remarkable physical, mechanical, chemical, magnetic, electronic, and other properties of rapidly quenched metals.
Anthracite Division 1958 Annual Report; 1
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Annual Report; 1918, pt.1
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Elements of Structural Metallurgy
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Annual Report - Dept. of Mines and Mining; 1896/1897
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Transactions; 1, pt.3
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Nickel Industry [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Thirteenth Biennial Report of the State Coal Mine Inspector
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Fourteenth Biennial Report of the State Coal Mine Inspector 1909-1910
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Sampling and Estimation of Ore in a Mine [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Mining Industry in Quebec; 1901
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Mining Operations in the Province of Quebec for the Year 1906 [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Miners’ Circular 46
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Anthracite Division Annual Report 1950; 1
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Combined Annual Reports 1947-1948-1949
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Preliminary Report on Mining Location No. 1 K, Lake of the Woods [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Prospectus of the New Brunswick Anthracite Coal Mining Company [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Facts About the Iron Ore Deposits of British Columbia, Including Vancouver Island [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
The Hydrometallurgy of Copper, and Its Separation From the Precious Metals [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
A Retractable Guidance System for Mine Shaft Hoists
Rope guidance of conveyances is commonly used in shafts of underground mines in numerous countries on almost every continent. This safe and economical way of guiding skips and cages does have one disadvantage, however, which is especially troublesome in the conditions present in the Polish mining industry. Rope-guided conveyances require additional support at mine levels, while shafts of Polish coal mines usually operate on many levels. Additional stiff guidance at mine levels used as a support negatively affects the effectiveness of rope-guided hoisting systems. The retractable guidance system was originally introduced at the 960 m level in the Leon IV shaft of the Rydultowy coal mine in Rydultowy (currently ROW mine, Rydultowy department), Silesian voivodeship, Poland. This construction, consisting of moveable elements, similar to the typical stiff guidance used at mine levels, serves as a support for the conveyance whenever necessary. When it is retracted, it allows the cage to travel at full speed through the level, increasing the degree of effectiveness of the hoisting system of the Leon IV shaft. The retractable guidance system, the solution presented in this book, is a pioneering approach in the Polish mining industry. It has allowed improvement of the level of effectiveness of the Leon IV shaft of the Rydultowy colliery. It is an innovative opportunity for rope guidance systems worldwide, as it solves their biggest problem in multi-level shafts.
Metallurgical Coke Making in India (2021)
This book documents India's unique journey in becoming the second largest metallurgical coke producer in the world, deploying a unique set of technologies ranging from beehive coke making to state-of-the-art plants producing coke by recovery and non-recovery processes, using both top charging and stamp charging.The intricacies of Indian metallurgical coke-making plants under integrated steel plants as well as merchant coke plants, have been detailed in this collection of more than 30 articles. Authored by highly-experienced industry specialists, they describe different aspects of the production process, including a future road map for Indian metallurgical coke plants.
Geology of the Huntington Lake Area, Fresno County, California; No.46
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Klondyke Mining Laws [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Observations on Mining Laws and Mining in Canada [microform]
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Marks on Gold & Silver Plate Imported Into the United Kingdom
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface.We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.