Photograph of owner Walter Gray reports spending $35,000 on levees to protect his bottomland over a 20 year period. Large breaks in levees, along straightened creek, can be seen across field. Owner Gray said 450 acres were damaged seriously.

Photograph of Self Estate May 10 and 11 waters from Finn Creek crossed this bottomland field, depositing sediment and washing out young corn. Dikes protecting cropland has broken, unable to carry water after intense downpour. Water took out half mile of fencing along roadway.

Photograph of brush control operations. Native grass coming back without re-seedings. His brush was treated with a patented tree injector. A mixture of 2-4-5-T was applied to brush in the spring of 1955. Note growth of grass since brush was deadened.

Photograph of brush control operations. Native grass coming back without re-seedings. His brush was treated with a patented tree injector. A mixture of 2-4-5-T was applied to brush in the spring of 1955. Note growth of grass since brush was deadened.

Photograph of Walter Knizel with his Hereford cattle grazing on a native grass pasture. This pasture is used under a managed system.

Photograph of newly constructed farm pond. Watershed established to; Ky 31 fescue, button clover, black medic and alfalfa. This pond did not catch any water since it was constructed in Novemeber 1954 until a 6 inch rain in May 1955. The water coming out of the improved pasture was clear and free of silt.

Photograph of site 40, laying concrete structure pipe. Showing coating on bottom half of pipe; batter boards used in alignment; and joing filler in place. L. Rounds, C. Touchstone, D. Touchstone, O. Winalow (Supt. ) C. Gold (SCS inspector) and Kpipworth.

Photograph of a new type of contour plow developed at Blackwell Camp. This shows the second cut with the left hand plow digging deeper and sealing the cracks with loose dirt which was left by the first cut. OK-5631.

Photograph of a chat pile, the rock waste remains after lead and zinc have been extracted from hard rock, during the grinding and flotation system. Note the erosion of the pile. This material covers some 5,000 acres in Ottawa County. Wind and water move this finely ground rock to adjacent areas. OK-2769-11.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. The view is facing east from the southwest portion of the planting area (field # 4). Intermediate wheatgrass planted in late September, 1966. The left row was fertilized with 400 pounds of 10-20-10 fertilizer and the right row with 200 pounds of the same at planting time. OK-2767-5.

Photograph of a dam constructed by beavers. Section of this dam was broken and beavers repaired it soon after. Photo was submitted for possible use in the Water for America Exhibit.

Photograph of a close-up of geologic erosion in native pasture which is underlain with a heavy concentration of alkali. Stillwater Project, Garber Camp

Photograph of a close-up showing geologic erosion in native pasture which is underlain with a heavy concentration of alkali. Stillwater Project.

Photograph of Watershed--Washita, OK. Completed in 1960. The lake is now at the permanent water level. It is stocked with fish. Structure has an excellent cover with Bermuda grass. OK-1346-5.

Photograph of an UNIDENTIFED man (Walter Grey) surveying damage from a broken levee, which damaged 450 acres of bottomland and severely damaged 100 acres. The back of the photograph proclaims, "Owner Walter Gray reports spending $35,000 on levees to protect his bottomland over a 20-year period. Large breaks in levees, along straightened creek, can be seen across field. Owner Gray said 450 acres of bottomland were damaged by flood. Over 100 acres were damaged seriously."

Photograph of broken levee, which protected a bottomland field, near State Highway 24, eight miles west of Wayne. The back of the photograph proclaims, "Break in levee built along State Highway 24 eight miles west of Wayne to protect bottomland field shown beyond."

Photograph of several UNIDENTIFED onlookers looking at the remaining debris of a tractor and mowing machine hit by truck on highway. The back of the photograph proclaims, "Tractor and mowing machine hit by truck on highway."

Photograph of various cropping systems at the Cherokee Experiment Station. The back of the photograph proclaims, "Cropping systems. (A). Caddo Switchgrass 3 year, rotated with 3 years wheat, the wheat yield average 39.9 bu. per acre. (B) Compared to 3 years alfalfa rotated with 3 year wheat, the wheat yields averaged 46.6 bu. per acre. (C) Continuous wheat No. N/A equals 33.5 by per ac. (D). Continuous wheat 40 lb. N/A equals 46.6 bu. per acre. Three years Caddo Switch is only beginning to have its effect on soil improvement."

Photograph of geological erosion that has taken place in native pasture on Renfrow soil. Stillwater Project, Garber Camp.

Photograph of water standing in lister ridges in field strip cropped with oats and listed food afte a heavy downpour. Note even distribution of water which stands where it falls in the contours. Constrast this with Picture K-5091 showing concentration of water in wash in low place in field. Taken after the same rain. OK-5629.

Photograph of the area around the Eagle-Pichers Mine, Picher, Oklahoma. View of a chat pile, the remains after lead and zinc has been extracted from hard rock during grinding and flotation. Note the erosion of the pile. This material covers some 5,000 acres in Ottawa County. Wind and water move this finely ground rock to adjacent areas. OK-2769-11.

Photograph of a close up of a new contour ridging plow developed by the Blackwell Camp (@ Lake Carl Blackwell). Ok-5630.

Photograph of a new type of contour ridging plow developed at Balckwell Camp. OK-5632.

Photograph of dallis grass, a valuable native pasture grass in the area that comes back when organic matter and plant food is returned to the soil and sufficient protection from grazing is given. TX-45, 657.