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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

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)

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