00750cam a22002291 4500 gs 65000178 DLC 20260227111416.0 840710s1964 dcua 000 0 eng c gs 65000178 (OCoLC)10932578 U.S. Geol. Survey. Libr. TxHR DLC QE75 .C5 no. 496 Bailey, Edgar Herbert, 1914- Mercury, its occurrence and economic trends, by Edgar H. Bailey and Roscoe M. Smith. Washington, 1964. iv, 11 p. illus. 27 cm. Geological Survey (U.S.). Circular 496 Mercury. Mercury industry and trade. Smith, Roscoe M. (Roscoe Maurice), 1911- joint author. 30007 30007