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An investigation of three salt domes in Texas in February, 1917, has formed the basis for this contribution to the study of salt domes. Both the writers have visited these domes, and the mapping was done jointly. The material was compiled and the manuscript prepared by Mr. Powers. One of the topographic maps and parts of another were kindly furnished by the Roxana Petroleum Corporation. L. W. Stephenson, of the Geological Survey, has identified fossils and otherwise assisted in the preparation of the report. M. I. Goldman, also of the Survey, examined samples of cap rock and made a detailed report on them.

Contributions to economic geology (short papers and preliminary reports), 1922, Part II, Mineral fuels. The Brooks, Steen, and Grand Saline salt domes, Smith and Van Zandt counties, Texas