Eavenson, Howard N. (Howard Nicholas), 1873-1953
Howard Nicholas Eavenson; mining engineer of Pittsburgh; b. July 15, 1873; d. Feb. 16, 1953; with H.C. Frick Coke Co., 1897-1902; with U.S. Coal & Coke Co., 1902-20; head of Eavenson & Auchmuty, consulting engineers; president, Bituminous Coal Research, Inc., 1939-48.
From the description of Who made the trader's map? : typescript (carbon), 1939 / by Howard N. Eavenson. (Peking University Library). WorldCat record id: 60354995
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