PRELIMINARY CONCENTRATION TESTS ON CUYUNA ORES Bulletin No. 3 The University Of Minnesota

Minnesota School Of Mines Experiment Station: Minneapolis, 1915. Paperback. Good. Item #21-2162

Illus., five foldout charts, 9 x 6", printed stapled grey wraps, lettering on front cover, 66pp. Covers toned, soiled, tip of spine lacking with a small tear, cover/pages wavy, dampspotting in margins else good.

Price: $5.50

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