A. West Texas - New Mexico Permian Basin Oil Fields and Pipe Lines, by Lee Jerome Wilson, from World Oil, dated 1947 (16.0 x 18.0"). This map of western Texas was issued as a supplement to the October 1947 issue of World Oil magazine. It is color-coded to show oil fields, gas fields, and combination fields, and the key further identifies pipelines, refineries, and plants. While the first producing well in the Permian Basin dates to 1921, development was slow until World War II when the need for petroleum led to the acceleration of exploration and development. This map documents the discoveries that occurred during this early period. Today the Permian Basin is the second most productive oil field in the world, and there is speculation that it may become the largest in the next five years. OCLC shows only one location for this map, and no examples appear in auction records. Condition: Issued folding with minor loss along the upper left fold and a number of tiny pinholes at center only noticeable when held to light.

B. Wildcat Map Showing Activity in Southeast New Mexico, Texas, Louisiana and Offshore Month Ending January 31 1964, by Exploration Data, Inc., dated 1964 (32.5 x 34.8"). A remarkably comprehensive snapshot of oil exploration in Texas. Color-coded to show oil fields, gas fields, and the status of each location including new discoveries, still drilling, dry holes, and more. The top half of the sheet contains a detailed index listing each drilling location by type. Condition: Issued folding with a hint of toning and pinholes in the sheet corners.

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Condition: B+

See description above.