Photograph of Soil Conservation Service technician Vernon Horn discusses planting native grass seed with Tom Knapp. OK-9916.

Photograph of brush control by chemicals. Where selective chemicals are properly used the land cover is not destroyed and erosion is controlled. Leaves, twigs and stems of Black-jack and other oak brush is sprayed with a mixture of 2,4-D and 2,4,5-T herbicide all accumulated in a mulch on the soil. There was an average of 7,593 pounds per acre of litter two years after the treatment. This mulch conserves the water and makes conditions ideal for the growth of grass. The area on the left was not treated while the area on the right was. The grass is more effective for erosion and flood control than the original cover of brush and grass. There was a 45% reduction in water run off annually from good grass on the altered land than from the adjacent area of brushland. OK-79, 441.

Photograph of numerous UNIDENTIFED contestants judging four classes of range in the first range judging contest sponsored by Soil Conservation Service, County Agent, and Cleveland County SCD. The back of the photograph proclaims, “Showing a section of contestants for first range judging contest. Cooperative enterprise with the Soil Conservation Service, County Agent and Cleveland County SCD participating. Judging 4 classes of range.”

Photograph of showing a section of contestants for first range judging contest. Co-operative enterprise with the Soil Conservation Services, County Agents and Cleveland County SCD participating. Judging 4 classes of range. OK-10, 158.

Photograph of ditch digging. This is where the bottom of the ditch should be. The depth below this point will only stand in water which cannot be used to irrigate the field. TX-45, 209.

Photograph of an UNIDENTIFED man standing and posing in a deep gully. This gully will be controlled with drop inlets. The back of the photograph proclaims, "Deep gully that will be controlled with drop inlet structures. Land above this gully will be terraced and contoured farmed. A grassed waterway will empty into the area."