00795cam a22002411 4500 gs 44000135 DLC 20260227111350.0 810805s1944 idu 000 0 eng c gs 44000135 (OCoLC)7642444 U. S. Geol. Survey. Libr. GStG DLC premarc TN24.I2 A43 no. 71 Prater, Lewis Seward, 1915- . Brine leaching tests on oxidized ores of lead, by Lewis S. Prater. Moscow, Id., University of Idaho, 1944. 2 p. l., 15 numb. l., incl. tables, diagrs. 28 cm. Idaho Bureau of Mines and Geology. Pamphlet, 71 Reproduced from type-written copy. Lead ores Testing. Ore-dressing. 27988 27988