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UC Regents
Description
Parker D. Trask was a visiting geologist at Scripps Institution of Oceanography. From 1926 to 1931 he was a research associate with the American Petroleum Institute (API), working on studies related to petroleum source rocks. In 1931 the source-bed project became a joint undertaking with the API and the U.S. Geological Survey (USGS), and Trask became a USGS employee, a connection he retained full time for 15 years and part time thereafter until his death in 1961. Special Collections & Archives, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/sca) This digital image is a surrogate of an item from the Eugene Cecil LaFond Photographs, 1930-1940 This is a direct duplicate neg made in 1993 by Loren Pigniolo from the 35mm nitrate originals
Type
image
Identifier
ark:/20775/bb0444726j
Subject
Scientists Geologists Portrait photography Trask, Parker D. (Parker Davies), 1899-1961
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