TY - BOOK AU - McCulloh,Thane Hubert TI - The promise of precise borehole gravimetry in petroleum exploration and exploitation, T2 - Geological Survey circular 531 AV - QE75 .C5 no. 531 PY - 1966/// CY - Washington KW - Petroleum KW - Research KW - Prospecting KW - Geophysical methods KW - Gravimeters (Geophysical instruments) N1 - "A paper presented at the Third Symposium on the Development of Petroleum Resources of Asia and the Far East, ECAFE, Tokyo, Japan, November 1965."; Bibliography: p. 11-12 ER -