Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:62500

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:250000

Photograph of a cut stream bank on highway 77, created in January 1958, with no attempt made to control erosion. The back of the photograph proclaims, "Stream bank cut on Highway 77, 3 to 1 slope. Bank cut with no attempt made to control erosion. Cut made in Jan. 1958. Erosion of bank has started with an estimated 6" of rainfall to date. With normal rainfall erosion will be much greater. Soil Unit 9."

Photograph of "Newt Chamberlain, contractor, standing by plow showing size and height of disc – 48" in diameter." The field that Chamberlains stands in is heavily vegetated.

Photograph of a brushy field plowed with a 48-inch disc, cut to a depth of 14 to 18 inches, left very little green brush remaining in area. The back of the photograph proclaims, "Area of brush plowed with a 48" disc. Cutting to a depth of 14 to 18 in. Very little green brush left after plowing."