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. Reproduced from type-written copy. LCCN: gs 44000135 Subjects--Topical Terms: Lead ores--Testing.Ore-dressing. LC Class. No.: TN24.I2 / A43 no. 71