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Primary view of The Canadian Gypsum Industry
Santmyers, R. M.
August 1929
Primary view of Ringelmann Smoke Chart (Revision of I.C. 6888)
Burdick, L. R. & Kudlich, Rudolph
August 1955
Primary view of Quartz and Silica: Part 1. - General Summary
Santmyers, Reigart Meredith
August 1931
Primary view of Petroleum Refineries, Including Cracking Plants in the United States, January 1, 1948
Lott, F. S.
August 1948
Primary view of Vapor-Pressure Chart for Volatile Hydrocarbons
Smith, R. Vincent
August 1942
Primary view of Marketing Mineral Pigments
Harness, Charles L.
August 1942
Primary view of A Reconnaissance of Lode Mines and Prospects in the Bohemia Mining District, Lane and Douglas Counties, Oregon
Taber, John W.
August 1949
Primary view of Economic Considerations in the Recovery of Magnesia from Dolomite
Schallis, Alvin
August 1943
Primary view of Thickness of Bituminous Coal and Lignite Seams Mined in 1965
Young, W. H.
August 1967
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