Blue line print of survey map of Roberts County, Texas, showing rivers, creeks, original land grants or surveys, blocks of land, and drilling locations. A legend is included in the upper-right corner of the map, indicating drilling locations of oil and gas wells, dry holes, and abandoned wells. A handwritten note has been made at the top of the map: "Roberts Co." Scale [ca. 1:168,962] (2 miles to 3/4 of an inch).