Photograph of irrigation well pumping 600 g. p. m. electric motor.

Photograph of a level row irrigation system that has less than 0.2 foot overall grade.

Photograph of a level row irrigation system that has less than 0.2 foot overall grade.

Photograph of a large field subject to severe wind erosion recently deep-plowed. Note the clay subsoil brought to the surface by deep-plowing. OK-1523-9.

Photograph of deep plowing. This field subject to severe wind erosion, has recently been deep plowed. Note clayey subsoil brought to the surface by deep-plowing.

Photograph of A.J. Callins with equipment used in treating mesquite on Pigg ranch. Note barrels of diesel oil in pickup. Each tree is treated form can as shown. Shovel is used to clean out or dig around base of tree as needed. Note; the mesquite in foreground is a rattle-snake hole-up.

Photograph of a field subject to severe wind erosion that has recently been deep-plowed. Note clay subsoil brought to the surface by deep plowing. OK-1523-10.

Photograph of row irrigation using gated pipe on SCD Cooperator's farm. Rows are level and waer turned into each row for approximately 1 hour.

Photograph of youthful badland soil/Eroded Red Clay range site showing rawness of material in foreground, and sparseness of vegetation. The limited vegetation shown in photograph includes mesquite and prickly pear. The back of the photograph proclaims, "Soil – Badland, showing rawness of material in foreground, and sparseness of vegetation. Usually some scattered mesquite and prickly pear occur on this raw, youthful soil. This in the Eroded Red Clay range site. Land Capability Class VIIs."