Small Scale Placer Mines As A Source Of Gold Employment And Livelihood In 1935
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Small-scale Placer Mines as a Source of Gold, Employment, and Livelihood in 1935
Author | : Charles White Merrill |
Publisher | : |
Total Pages | : 100 |
Release | : 1937 |
Genre | : Economics |
ISBN | : |
Production, Employment, and Productivity in the Mineral Extractive Industries, 1880-1938
Author | : Vivian Eberle Spencer |
Publisher | : |
Total Pages | : 192 |
Release | : 1940 |
Genre | : Economics |
ISBN | : |
Federal Placer-mining Laws and Regulations
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 56 |
Release | : 1938 |
Genre | : Hydraulic mining |
ISBN | : |
Technical Paper - Bureau of Mines
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 1516 |
Release | : 1937 |
Genre | : Mines and mineral resources |
ISBN | : |
List of Publications, Bureau of Mines
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 846 |
Release | : 1960 |
Genre | : Government publications |
ISBN | : |
List of Bureau of Mines Publications and Articles ... with Subject and Author Index
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 840 |
Release | : 1960 |
Genre | : Mineral industries |
ISBN | : |
List of Publications Issued by the Bureau of Mines, with Subject and Author Index
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 532 |
Release | : 1938 |
Genre | : Mineral industries |
ISBN | : |
List of Publications Issued by the Bureau of Mines from July 1, 1910, to January 1, 1960
Author | : United States. Bureau of Mines |
Publisher | : |
Total Pages | : 838 |
Release | : 1960 |
Genre | : Mineral engineering |
ISBN | : |