Eugene R. Brumbaugh was a geophysicist with Shell Oil Company from 1946 to 1981. He supervised data acquisitions and developed structural interpretations in the Williston Basin of Montana; the Powder River, Big Horn, Wind River, and Green River Basins and Western Fold Belt in Wyoming; and the Uinta Basin in Utah. Between 1953 and 1955 he worked out of Casper, Wyoming, supervising seismic field crew operations.
From the description of Eugene R. Brumbaugh papers, 1947-circa 1983, (bulk 1951-1962) (University of Wyoming, American Heritage Center). WorldCat record id: 74174863