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The method of underground mining of iron ore in the district of Krivoy Rog
Practical rules for the use of the magnetometer in geophysical prospecting
Patents on geophysical prospecting issued in the United States, England, Canada, Australia, Germany, France, and Russia
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Published Year
1930-1939 (3) *
Subject
Geophysics (1)
Iron mines and mining--Kryvyi Rih Basin (Ukraine) (1)
Magnetometers (1)
Prospecting (1)
Prospecting--Geophysical methods (1)
Author
Ayvazoglou, W. (3) *
Alexanian, M. C. (1)
Bouldovsky, A. K. (1)