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Geophysical methods of prospecting :a brief and elementary account of the principles involved
Geophysical investigations at Caribou, Colo.
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Published Year
1920-1929 (2) *
Subject
Prospecting (2) *
Geology--Colorado--Caribou (1)
Geophysics (1)
Author
Eve, A. S. (1)
Heiland, C. A. (1)
Henderson, Charles W. (1)
Keys, D. A. (1)
Malkovsky, Jaroslav A., (1)