00972cam a22002771 4500 7730110 GSU 20260427192958.0 760401m19031909nyua 000 0 eng DLC GSU GSU eng rda TN500 RIC Richards, Robert H. Robert Hallowell, 1844-1945. Ore dressing, by Robert H. Richards ... 1st ed. ... New York, London The Engineering and mining journal; [etc., etc.] 1908. ix,4 volumes 645-1195pages illustrations, diagrams. (part fold.) 24 cm. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Paged continuously. Library has, v.1-2. Bibliography at end of each chapter. Ore-dressing. lcc BK second edition TN500 TN RIC 0 2639 2639