· Technical Publication No. 50 Class A, Metal Mining, No. 6 Class I, Mining Geology, No. 2 Class...
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· Technical Publication No. 50 Class A, Metal Mining, No. 6 Class I, Mining Geology, No. 2 Class G, Petroleum and Gas, No. 7 The EÖtvÖs Torsion Balance Method of Mapping Geologic