Organization, equipment and operation of the structural-materials testing laboratories at St. Louis, Missouri
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Geology topics
Richard Lewis Humphrey
Publications and source records attributed to Richard Lewis Humphrey.
Portland cement mortars and their constitutent materials, results of tests made at the structural materials testing laboratories, Forest Park, St. Louis, Missouri, 1905-1907
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The strength of concrete beams; results of tests of 108 beams, first series, made at the structural materials testing laboratories
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The San Francisco earthquake and fire of April 18, 1906, and their effects on structures and structural materials
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