Placer-mining Methods and Costs in Alaska PDF Download
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Author: Norman L. Wimmler
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 248
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Book Description
Author: Norman L. Wimmler
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 248
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Book Description
Author: Chester Wells Purington
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 1016
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Book Description
Author: CHESTER WELLS. PURINGTON
Publisher:
ISBN: 9781033945964
Category :
Languages : en
Pages : 0
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Book Description
Author: Bruce I. Thomas
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 44
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Author: Chester Wells Purington
Publisher: Legare Street Press
ISBN: 9781021590596
Category :
Languages : en
Pages : 0
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Book Description
Discover the challenges and rewards of mining in the rugged Alaskan wilderness with this comprehensive guide to gravel and placer mining. From the equipment needed to the techniques used, this book provides a wealth of practical information for anyone interested in this exciting field. Whether you're a seasoned prospector or a curious novice, this is a must-read. 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.
Author: Chester Wells Purington
Publisher: Forgotten Books
ISBN: 9780266850366
Category :
Languages : en
Pages : 412
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Book Description
Excerpt from Methods and Costs of Gravel and Placer Mining in Alaska The route was then pursued westward over the ridge trail to Fair banks Creek. From August 1 to 5, inclusive, nearly all the operations in the recently opened Fairbanks district were Visited, including 3 operations on Fairbanks, Chatham, Cleary, Twin, and Pedro creeks. On Fairbanks Creek a junction was made with Mr. L. M. Prindle's party, and it is due to the fact that the two parties worked together in the Fairbanks district that all the operations were visited in the few days available. During the few succeeding days as much information as possible was collected in the town of Fairbanks con cerning the new gold finds of the Tanana, and my party then proceeded Via the Tanana, Yukon, and St. Michael to Nome, arriving there August 20. From August 21 to September 4, inclusive, 21 operation were inspected on Anvil, Glacier, and Dexter creeks and Grass Gulch, and on Newton, Peluk, and Dry creeks. 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: Philip Read Bradley
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 34
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Author: William R. Hardwick
Publisher:
ISBN:
Category : Beryllium
Languages : en
Pages : 12
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Book Description
Exploration of hidden mineral deposits becomes increasingly important as known ore reserves are depleted. The primary objective in any exploratory program is to obtain enough reliable information to evaluate accurately the potential of the mineral deposit. Constant improvement in equipment and technique has established drilling as one of the most valuable methods of exploration. This paper presents the results of studies of several drilling methods currently used in the search for uranium deposits in sedimentary formations from surface drill sites. Also presented is a description of drilling with wire-line equipment from an underground location in metamorphic rocks. The studies were conducted in the Colorado Plateau area and in northwestern New Mexico and Wyoming. Statements of a general nature pertain to conditions or situations existent in those areas.
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Hydraulic mining
Languages : en
Pages : 56
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Book Description
Author: Charles Freeman Jackson
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 58
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Book Description
