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Album caption: Complete Multiplex Mapping Unit showing portion of compiled map. No index card. Album note: Photographed and compiled by E.F. Patterson.
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Isidore Adler, chemist, operates a gonimeter used for x-ray fluorescence analysis of individual grains of mineral specimens, Geologic Division, U.S. Geological Survey, Washington, D.C. 1958. Lower right photograph page 36, Images of the U.S. Geological Survey, 1879-1979.
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Album caption: Trimetrogon Section, Radar Unit. Front row left to right: R.M. Leonard, L.P. Murphy, Bernard B. Scheps, Chief. Rear row left to right: W.R. Smithea, P.D. Zubeck, W.B. Cooke, M.S. Williams, P.C. Frank. No index card. Note on album: Photographed and compiled by E.F. Patterson. 1952.
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Album caption: H&H multiplex supporting frame with equipment. No index card. Album note: Photographed and compiled by E.F. Patterson.
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Album caption: Slotted Template Layout. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
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