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I 28.27:6876
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Mineral industries survey of the United States : Idaho, Shoshone County, Coeur d'Alene District : the Silver Belt and the Sunshine Mine of the Coeur dÁlene District |
1 |
|
I 28.27:6877
|
Progress report on investigation of detachable rock-drill bits |
1 |
|
I 28.27:6881
|
Trends in white-pigment consumption |
1 |
|
I 28.27:6882
|
Alums and aluminum sulphate |
1 |
|
I 28.27:6883
|
Patents on geophysical prospecting issued in the United States, England, Canada, Australia, Germany, France, and Russia |
1 |
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I 28.27:6884
|
Lime |
1 |
|
I 28.27:6886
|
Shifts in sources of chromite supply |
1 |
|
I 28.27:6891
|
Design and operation of a four-ton-per-hour gold and silver ore-sampling plant |
1 |
|
I 28.27:6898
|
Costs of trucking and packing ore in western gold-mining districts |
1 |
|
I 28.27:6899
|
Geophysical prospecting for underground waters in desert areas |
1 |
|
I 28.27:6900
|
Mining and milling methods and costs at the Yellow Aster Mine, Randsburg, Calif |
1 |
|
I 28.27:6901
|
Gold mining and milling in the Black Mountains, Western Mohave County, Ariz |
1 |
|
I 28.27:6902
|
Reconnaissance of mining districts in Pershing County, Nev |
1 |
|
I 28.27:6905
|
Gold mining and milling in the Black Canyon area, Yavapai County, Ariz |
1 |
|
I 28.27:6907
|
Hot milling of rock-drill bits at the mines of the Vinegar Hill Zinc Co., Platteville, Wis |
1 |
|
I 28.27:6908
|
Underground mill at the Doyle Mine, Shullsburg, Wis |
1 |
|
I 28.27:6911
|
Progress report no. 2 on investigation of detachable rock-drill bits |
1 |
|
I 28.27:6914
|
Mining and milling methods and costs : Hog Mountain Gold Mining and Milling Co., Alexander City, Ala |
1 |
|
I 28.27:6915
|
Some problems of respiratory protection in the petroleum industry : with suggestions for their solution |
1 |
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I 28.27:6923
|
Shaft sinking with a shot drill, Idaho Maryland Mine, Grass Valley, Calif |
1 |