Photograph of gully erosion on Minco silt loam, 1 to 3% slopes, following a 7-inch rain. OK-3960-13.

Photograph of severe gully erosion on Stephensville fire sandy loam (#39). Washita River Conservation Survey, W-20.

Photograph of Chigley gravelly loam #94. Washita River Conservation Survey, W-20.

Photograph of Nimrod fine sandy loam (#48). Washita River Conservation Survey, W-20.

Photograph of roadside erosion along a county road. Deep gullies on each side of the road threaten to engulf it. Norge fine sandy loam (#26). Washita River Conservation Survey, W-20.

Photograph of some severely eroded land and gullied cultivated landl Agwam very fine sandy loam (#11). Washita River Conservation Survey, W-20.

Photograph of wind erosion on Windthrost fine sandy loam (#17). Washita River Conservation Survey, W-20.

Photograph of a profile of Windthorst Sandy Loam. Washita River Conservation Survey, W-20.

Photograph of a badly eroded area in pasture land on Renfrow soil. Washita River Conservation Survey, W-20.

Photograph of "Mr. Gray, Mr. Sam Durham, Extension Service Grass Specialist, and Mr. R. J. Chance, Project Manager, Chickasha, Oklahoma, inspecting grass contour buffer strip in the Chickasha, Oklahoma project area." People shown in photo go as followed from left to right: 1. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Mr. Sam Durham, Extension Service Grass Specialist, 3. Mr. Chester Gray.

Photograph of "Chester Gray and Mr. Sam Durham, Extension Service Grass Specialist, inspecting grass contour buffer strip in the Chickasha, Oklahoma project area." People shown in photo go as followed from left to right: 1. Mr. Chester Gray, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of "Mr. Gray, Mr. Sam Durham, Extension Service Grass Specialist, and Mr. R. J. Chance, Project Manager, Chickasha, Oklahoma, inspecting grass contour buffer strip in the Chickasha, Oklahoma project area." People shown in photo go as followed from left to right: 1. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Mr. Sam Durham, Extension Service Grass Specialist, 3. Mr. Chester Gray.

Photograph of "Mr. Gray and Mr. Sam Durham, Extension Service Grass Specialist, inspecting grass contour buffer strip in the Chickasha, Oklahoma project area." "Oscar Workman, farmer, prefers this native grass meadow strip to terraces on this gentle slope. Planted in April 1937 and he plans to mow same for hay in 1939. Mixture planted was equal parts Little Blue Sten [sic], Blue Gramma [sic] and Side oat Gramma [sic] at 30# per A." People shown in photo go as followed from left to right: 1. Mr. Chester Gray, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of "Mr. Gray and Mr. Sam Durham, Extension Service Grass Specialist, inspecting grass contour buffer strip in the Chickasha, Oklahoma project area." People shown in photo go as followed from left to right: 1. Mr. Chester Gray, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of “Mr. Sam Durham, Extension Service Grass Specialist, inspecting grass work done by the Chickasha, Oklahoma, Soil Conservation Service Project. 40 Acres of abandoned land rededicated to native grasses. This field was contour ridged with 25 ft. intervals and planted 4 kinds of native grasses during spring of 1936. Picture shows 3 year old Side Oat [sic] Grama. Sunflowers indicate locations of the unmowed ridges.”

Photograph of Mr. R. J. Chance, Project Manager, Chickasha, Oklahoma, Mr. Sam Durham, Extension Service Grass Specialist, Mr. Gray, and Mr. Hickey inspecting grass work done by the Chickasha Soil Conservation Service Project near or on Katie Maden's farm. The order of the following men goes from left to right as follows: 1. Mr. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Mr. Gray, 3. Mr. Sam Durham, Extension Service Grass Specialist, 4. Mr. Hickey. The back of the photograph proclaims, “Photograph of Mr. R. J. Chance, Project Manager, Chickasha, Oklahoma, Mr. Sam Durham, Extension Service Grass Specialist, Mr. Gray, and Mr. Hickey inspecting grass work done by the Chickasha Soil Conservation Service Project. 40 Acres abandoned field planted to native grass. Field was contour ridged and seeded in Spring of 1936. Picture shows Little Blue Stem planting in Spring of 1937 on ¼ of the field. Special attention is given to tiny seedlings coming from the parent plants the second season. 30# per acres was planted.”

Photograph of "Mr. R. J. Chance, Project Manager, Chickasha, Okla., and Mr. Sam Dunham, Extension Service Grass Specialist, inspecting grass work done by the Chickasha Oklahoma Soil Conservation Service Project." People shown in photo go as followed from left to right: 1. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of "Mr. R. J. Chance, Project Manager, Chickasha, Okla., and Mr. Sam Dunham, Extension Service Grass Specialist, inspecting grass work done by the Chickasha, Oklahoma Soil Conservation Service Project." People shown in photo go as followed from left to right: 1. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of "Mr. R. J. Chance, Project Manager, Chickasha, Okla., and Mr. Sam Dunham, Extension Service Grass Specialist, inspecting grass work done by the Chickasha, Oklahoma Soil Conservation Service Project." People shown in photo go as followed from left to right: 1. R. J. Chance, Project Manager, Chickasha, Oklahoma, 2. Sam Dunham, Extension Service Grass Specialist.

Photograph of a recent deposition on Ninekah (#29). Washita River Conservation Survey, W-20.

Photograph of soil profile of Grant silt loam (#40). Washita River Conservation Survey, W-20.

Photograph of Kirkland Silt loam (316) soil profile. Washita River Conservation Survey, W-20.

Photograph of Kirkland Silt loam (316) soil profile. Washita River Conservation Survey, W-20.

Photograph of severely erofed area of abandoned land. Windthorst fine sandy loam (#17). Washita River Conservation Survey, W-20.