Photograph of two UNIDENTIFED men standing in an outlet constructed with a blade in 1948. The back of the photograph proclaims, “Outlet constructed with blade in 1948 – cost $40.00. Sodded to Bermuda in spring of 1949. Used 140 lbs. 5-10-5. Plowed under roots with 2-bottom plow, 4 inches deep. Will terrace when wheat is off.”

Photograph of Uncle John Creek. Spillway damage on Roy Porter Crossing above Site # 4. OK-5117-8.

Photograph of Uncle John Creek. Erosion damage and repair operation on the lower side of embankment of Site # 8. OK-5117-8.

Photograph of Four Mile Creek Watershed. Digging footing trench for a drop structure and tunnel liners on the west side of the Chicago, Rock Island and Pacific (CRI&P) Railroad. OK-5117-9.

Photograph of a bridge, over the Canadian River, is now 18 inches from the water, which is only about a foot deep but formerly 16 feet above the water level. Acc. To William Dolezal, supervisor of the eat Canadian Soil Conservation District, the water deep enough to dive into from the bridge 25 years earlier. Silt from upstream farms has clogged the channel. OK-9003.

Photograph of large gully area from which water has been diverted. Banks have been sloped, trees planted, and the area fenced. To be followed with later pictures.

Photograph of large gully area from which water has been diverted. Banks have been sloped, trees planted, and the area fenced. To be followed with later pictures.

Photograph of basic recreational facilities with Lake El Reno in the background.

Photograph of Channel No. 2, upper section. Drop structure and tunnel liners under construction. Showing sheet piling in place. Stell pipes are to divert surplus overhead water through the Chicago, Rock Island and Pacific (CRI&P) Railroad and away from the construction during installation. OK-5038-9.

Photograph of Henry Kedding standing on an alkali spot after 2 tons of gypsum was applied to field in 1956. Directly behind Kedding, are several buildings and structures, which include houses, barns, and silos. The back of the photograph proclaims, “Alkali spot after 2 tons of Gypsum was applied in 1956. Before planting, area on left of drain untreated. Right of terrace treated in 1957 – 2 tons per acre. Henry Kedding in photo.“

Photograph of Uncle John Creek. Erosion damage and repair operation on the lower side of embankment of Site # 8. OK-5117-16.

Photograph of 4 of a series of 6. Reservoir constructed for a fourfold purpose. Stockwater, irrigation, flood control and an all-weather roadway. Covers 78 surface acres and has approximate 230 acre-feet at the spillway elevation. 24 inch drop inlet through the fill. Elevation of the drop inlet one foot below emergency spillway. 6 inch pipe through the lower part of the fill is for complete drainage. All-weather roadway is over the top of the fill. Riprap for the protection of the front slope against wave action. Constructed with inmate labor and reformatory-owned equipment. Upstream portion of the drop inlet. Inspecting inlet from left to right: Wayne England, employee of the Federal Reformatory staff, and Elza C. Bullen, Work Unit Conservationist (WUC) and the Soil Conservation Service (SCS). Emergency spillway in the background. 6 inch drainage pipe can be noted at the right center of the picture. OK-77-10.

Photograph of Channel # 2, Upper Segment. Drop structure and tunnel liners under construction. Showing sheet piling in place. Stell pipes are to divert surplus overhead water through the Chicago, Rock Island and Pacific (CRI&P) Railroad and away from construction during installation.

Photograph of Channel # 2, Upper Segment. Drop structure and tunnel liners under construction. Showing sheet piling in place. Stell pipes are to divert surplus overhead water through the Chicago, Rock Island and Pacific (CRI&P) Railroad and away from construction during installation.

Photograph of drop structure and tunnel liners under construction. Showing sheet piling in place. Steel pipes are to divert surplus overhead water through the CRI&P Railroad and away from construction during installation. OK-5038-9.

Photograph of basic recreational facilities with Lake El Reno in the background.

Photograph of gully control by fencing, sloping tree planting and protection from grazing in fall of 1937. Gully banks were sloped and trees planted. Trees have made some growth and other vegetation is becoming well established due to protection from grazing.

Photograph of large gully area from which water has been diverted. Banks have been sloped, trees planted, and the area fenced. To be followed with later pictures.

Photograph of an UNIDENTIFIED man in a truck spreading agricultural gypsum. The back of the photograph proclaims, "Spreading agriculture gypsum."

Photograph of Henry Kedding standing in a field both treated and untreated with gypsum. The area has significant Alkali spots deposits from applied gypsum. The back of the photograph proclaims, "Comparison of treated and untreated soil with gypsum. Area in foreground treated with 2 tons of Gypsum per acre in 1956. Area in background untreated."