The Main Tungsten Area of Boulder County Colorado (Classic Reprint)
Language: en
Pages: 124

The Main Tungsten Area of Boulder County Colorado (Classic Reprint)

Authors: R. D. George
Categories: Science
Type: BOOK - Published: 2016-09-09 - Publisher: Forgotten Books

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Excerpt from The Main Tungsten Area of Boulder County Colorado SO far as the tungsten district is concerned, this is by far the most important rock, both in are
Report on the Tungsten Ores of Canada
Language: en
Pages: 84

Report on the Tungsten Ores of Canada

Authors: Canada. Mines Branch
Categories: Tungsten
Type: BOOK - Published: 1909 - Publisher: Ottawa: Printer to the King's Most Excellent Majesty

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Colorado, Top of the World
Language: en
Pages: 110

Colorado, Top of the World

Authors: Andrew Carlisle Carson
Categories: Colorado
Type: BOOK - Published: 1912 - Publisher:

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Dictionary Catalog of the Department Library
Language: en
Pages: 804

Dictionary Catalog of the Department Library

Authors: United States. Department of the Interior. Library
Categories: Library catalogs
Type: BOOK - Published: 1967 - Publisher:

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Classic Concepts and New Directions
Language: en
Pages: 398

Classic Concepts and New Directions

Authors: Lon D. Abbott
Categories: Science
Type: BOOK - Published: 2013-10-16 - Publisher: Geological Society of America

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"This guide's 14 chapters, which span the Rocky Mountain region's 1.7-billion-year history, give a retrospective glimpse of early geologic ideas being forged, b