Report issued by the U.S. Bureau of Mines on the oil fields located near the Mexia-Powell fault line in Texas. Properties of the oil fields, including geology and oil production, are presented. This report includes tables, graphs, maps, and illustrations.

From Introduction: "The Mexia-Powell fault fields have long held the attention of the oil industry, and this report proposes to present information on these fields and to interpret it for the consideration and guidance of all persons concerned in further development of the area. Detailed study of this field was made primarily to obtain a better working knowledge of the major features, involving structural conditions, the character and nature of the Woodbine pay sand, and the source of water."

Report issued by the Bureau of Mines discussing analyses of Texas crude oils. As stated in the introduction, "this paper makes available in condensed tabular form under one cover all analyses of Texas crude oils made by the Bureau of Mines to March 1939" (p. 1). This report includes tables, and a map.