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Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1390
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Book Description
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 1390
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Book Description
Author: Vannoy Hartrog Manning
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 174
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Book Description
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 704
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Book Description
Author: Vannoy Hartrog Manning
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Van H. Manning
Publisher: Forgotten Books
ISBN: 9780656723270
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
Excerpt from Yearbook of the Bureau of Mines, 1916 Probably no year in the history of the United States showed greater progress in the mineral industries than 1916. Although this progress was undoubtedly stimulated by the war in Europe, which caused extremely high prices for some of the metals, yet the fact remains that mining is being regarded more as a business and less as a speculation, and the benefits of business methods are becoming evident. Practices that were almost universal a few years ago have. Been largely abolished, the mining public has been brought to recog nize the folly of wasteful and dangerous methods, and there is a gratifying unanimity of opinion in regard to the conservation of life and health, as well as of our mineral resources. T he people of the United States realize more fully than ever before the extent and value of the country's mineral resources and the possibilities that await intelligent and well-directed efforts at utilization. In the past, economic reasons caused deposits of valuable metals and industrial materials to lie idle; commercial reasons, many of them not truly economic, led to the waste of valuable constituents in many ores; the recovery of minerals from the ground was too often incomplete and accompanied by uncalculated loss; and the treatment of ores in mills and smelters saved altogether too low a proportion of the metals sought. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
Publisher:
ISBN: 9780160485640
Category : Mineral industries
Languages : en
Pages : 998
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Book Description
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 328
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Book Description
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 184
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Book Description
Author: Geological Survey
Publisher:
ISBN: 9781411342538
Category : Law
Languages : en
Pages : 1060
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Book Description
This volume, covering metals and minerals, contains chapters on approximately 90 commodities. In addition, this volume has chapters on mining and quarrying trends and on statistical surveying methods used by Minerals Information, plus a statistical summary.
