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Apparent earth conductivity over coal mines as estimated from through-the-earth electromagnetic transmission tests
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Published Year
1980-1989 (1)
Subject
Coal mines and mining--United States (1)
Earth resistance (Geophysics)--Measurement (1) *
Earth resistance--Measurement (1)
Electromagnetic waves--Transmission--Measurement (1)
Author
Durkin, John. (1) *
