00853cam a2200253 4500 gs 68000375 DLC 20260227111423.0 690707s1969 dcu b 00010 eng c gs 68000375 //r85 U.S. Geological Survey Library QE75 .C5 no. 598 Millard, Hugh T., 1935- Establishment of gold-quartz standard GQS-1, by Hugh T. Millard, Jr., John Marinenko, and John E. McLane. Washington, 1969. iii, 6 p. 26 cm. United States. Geological Survey. Circular 598 Bibliography: p. 4. Gold. Marinenko, John, 1939- joint author. McLane, John E., 1941- joint author. Gold-quartz standard GQS-1. Geological Survey circular ; 598. 30559 30559