Photograph of plots 1, 2, and 3 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 1, 2, and 3 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine sandy Loam with 7.7% slope. Plots 1, 2, and 3 are the length of slope studies."

Photograph of plots 4, 5, 6, and 7 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 4, 5, 6, and 7 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine Sandy Loam with 7.7% slope. Plots 5, 6, and 7 are the rotation studies."

Photograph of plots 8, 9, and 10 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 8, 9, and 10 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine Sandy Loam with 7.7% slope. Plots 8, 9, and 10 are the effect of cover studies."

Photograph of two UNIDENTIFED men, located in the background, standing next to one of the control plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems. The back of the photograph proclaims, “Control plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems. On Stevensville Fine Sandy Loam with 7.7% slope. (See USDA T-837 for full details on these plots.)"

Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Harley A. Daniel, Project Supervisor, taking a soil sample on Plot No. 3, which is continuous cotton, on Stevensville Fine Sandy Loam."

Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Harley A. Daniel, Project Supervisor, taking a soil sample on Plot No. 5 which is one of the rotation plots. Cotton, wheat and sweet clover, Stevensville Fine Sandy Loam."

Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Harley A. Daniel, Project Supervisor, taking a soil sample on Plot No. 7 which is in permanent Bermuda Grass cover, On Stevensville Fine Sandy Loam."

Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Harley A. Daniel, Project Supervisor, taking a soil sample on Plot No. 9. This is the de-surfaced plot with continuous cotton, on Stevensville Fine Sandy Loam."

Teaching contract for Logan county. Includes salary information and education.

Photograph of a gully on the Red Plains Conservation Experiment Station. This gully is typical of many that were once on the East Farm of this station. It is also representative of many that occur throughout central Oklahoma. OK-9868.