Pyrites deposits of Missouri Grawe, Oliver Rudolph 1901- creator text bibliography mou Rolla, Mo Missouri Geological survey and water resources 1945 monographic eng
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482 p. xvii pl., fold. map (in pocket) tables (part fold.. 2 in pocket) diagrs. 26 cm. by Oliver R. Grawe. Bibliography: p. 451-457. Pyrites Mines and mineral resources Missouri QE131 .A13 vol. 30 Missouri. Geological survey and water resources. [Reports] vol. XXX, 2d ser gs 45000024 DLC 770113 20260227111350.0 gs 45000024