H.E. Thomas was a hydrologist and an expert on groundwater resources for the U.S. Geological Survey during the twentieth century. Thomas joined the U.S. Geological Survey as a field geologist in the agency's Geologic Division in 1929. He transferred to the U.S. Geological Survey's Water Resources Division in 1931 and held a number of posts in this division including Assistant to Groundwater District Chief in Salt Lake City, Utah (1935-1936); Utah Groundwater District Chief in Salt Lake City, Utah (1940-1942, 1945-1948); Groundwater Branch Area of Pacific States in Menlo Park, California (1956-1958); Staff Hydrologist in Washington, D.C. (1963-1968); and Senior Hydrologist in Los Altos, California (1974-1978). Thomas also served a number of foreign assignments in Africa, the Carribean, and the Middle East. He was also author of the book "The Conservation of Groundwater" (1951).
From the description of H.E. Thomas papers, 1936-1988. (University of Wyoming, American Heritage Center). WorldCat record id: 86080574
