Photograph of silt source area treatment. Indiangrass was planted in March 1957 in existing annual weed cover. See OK-448-6 and -7.

Photograph of a silt source area treatment. Switchgrass was planted in March 1957. There has been no grazing by domestic livestock. Trees are growing in and along a huge gully. Slope in the distance was planted at the same time. See OK-425-1. OK-1425-3.

Photograph of Nash-Quinlan soil complex with severe erosion. The area has been abandoned for cultivation and is an early stage of natural revegetation. Annual three-awn is dominant. OK-1425-6.

Photograph of a hilly field of switchgrass and a slope in the distant background. The trees in the background are growing in and around a gully. The back of the photograph proclaims, “Silt Source area treatment. Switchgrass was planted in March 1957. There has been no grazing by domestic livestock. Trees are growing in and along huge gully. Slope in the distance was planted at the same time. See Ok-425-1.”

Photograph of a hilly field of switchgrass and a slope in the distant background. The trees in the background are growing in and around a gully. The back of the photograph proclaims, "Silt Source area treatment. Switchgrass was planted in March 1957. There has been no grazing by domestic livestock. Trees are growing in and along huge gully. Slope in the distance was planted at the same time. See Ok-425-1."

Photograph of J. J. Tims' cattle grasing.

Photograph of T. L. Davis shredding lovegrass on A. J. Tims' farm.

Photograph of Houston Hicks, combining native grass from the Alva Tims farm. Rotation grazing and conservation ranching had permitted this grass to make an excellent seed crop in 1955. 58 pounds of good seed per acre, principally little bluestem and Indiangrass were harvested.