Related Books
Language: en
Pages: 344
Pages: 344
Type: BOOK - Published: 2018-02-06 - Publisher: Forgotten Books
Excerpt from Twenty-First Annual Report of the Bureau of Mines, 1912, Vol. 21: Part I According as new discoveries are made and new mineral fields opened up, pu
Language: en
Pages: 344
Pages: 344
Type: BOOK - Published: 2018-02-13 - Publisher: Forgotten Books
Excerpt from Report of the Department of Mines, 1910 Dominion N o. 1 mine cubic feet of air a minute in circulation. Dominion N O. 2 mine - explosive used last
Language: en
Pages: 832
Pages: 832
Type: BOOK - Published: 2017-10-14 - Publisher: Forgotten Books
Excerpt from Report of the Department of Mines of Pennsylvania, Vol. 1: Anthracite, 1912 The rapidity of the development of the coal trade in Pennsylvania, as w
Language: en
Pages: 364
Pages: 364
Type: BOOK - Published: 2018-02-08 - Publisher: Halifax : Printed by the Citizen Publishing Company, 1873-18 .
Excerpt from Report of the Department of Mines, 1912 Drain pipe and tile made (feet) Grindstones quarried (net tons). Gold bearing ore mined (net tons) Gold pro
Language: en
Pages: 208
Pages: 208
Type: BOOK - Published: 2017-10-27 - Publisher: Forgotten Books
Excerpt from Twelfth Biennial Report of the Bureau of Mines of the State of Colorado: For the Years 1911 and 1912 Sir: AS provided for in section 4268 Revised S
