Placer Mining with Steam Shovel and Dredge
Author:
Publisher:
Published: 1905*
Total Pages: 16
ISBN-13:
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Placer Mining ; Surface Arrangements at Ore Mines ; Preliminary Operations ; Ore Mining ; Supporting Excavations ; Assaying
Author: International Correspondence Schools
Publisher:
Published: 1908
Total Pages: 932
ISBN-13:
DOWNLOAD EBOOKThe History and Development of Gold Dredging in Montana
Author: Hennen Jennings
Publisher:
Published: 1916
Total Pages: 108
ISBN-13:
DOWNLOAD EBOOKPower-shovel and Dragline Placer Mining
Author: Eugene Delos Gardner
Publisher:
Published: 1938
Total Pages: 90
ISBN-13:
DOWNLOAD EBOOKA History of Gold Dredging in Idaho
Author: Clark C. Spence
Publisher: University Press of Colorado
Published: 2016-06-15
Total Pages: 342
ISBN-13: 1607324741
DOWNLOAD EBOOK"A revolution in placer mining from inception in the 1880s until its demise in the 1960s and its impact on Idaho, the nation's fourth leading producer of dredged gold which provides a lens through which to observe the practice and history of gold dredging around the world"--
Bulletin
Author: United States. Bureau of Mines
Publisher:
Published: 1916
Total Pages: 992
ISBN-13:
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