Photograph of a properly grazed and over grazed field ½ miles south of Hat Top Mountain. The back of the photograph proclaims, “Proper use and over grazing. Definite separation due to fence and different landowners. One-half mile south of Hattop [sic] Mountain.”

Photograph of the aftermath of the May 10, 1950 flood. Note the completely destroyed home and several wrecked cars. The back of the photograph proclaims, “Willow Creek and Magnolia Street - Flood of May 10, 1950.”

Photograph of aerial view of typical example of rural road damage. This is an improved road across Wildhorse Creek.

Photograph of a broken dam on the Prairie Dell Watershed. OK-10, 389B.

Photograph of Prairie Dell Watershed. Drainage area = 1130 acres. Permanent pool = 1.32 feet. Flood pool = 4.53 inches. Total = 5.85 inches. OK-10, 389A.

Photograph of the Prairie Dell Watershed, Duncan, OK. See OK-10, 389A and 10, 398B. OK-10, 3890.

Photograph of H. Neal Stidham, Range Conservationist inspecting native tallgrass planting on a former cropland. The back of the photograph proclaims, "Former cropland planted to native tallgrass. H. Neal Stidham, Range Conservationist, Ada, Oklahoma."

Photograph of H. Neil Stidham, Range Conservationist looking at Native tallgrass mixture planted in 1959 on Loamy Prairie range site in Nash soil. The back of the photograph proclaims, "Native tallgrass mixture planted in 1959 on Loamy Prairie range site. Nash soil. H. Neil Stidham, Range Conservationist, Ada, Oklahoma."

Photograph of the aftermath damages of the May 19, 1955 Cow Creek flood three miles south of Duncan, which shows a flooded county road inundated with floodwaters. Note the barbed wire in the extreme foreground and the height of the water. The back of the photograph proclaims, "Cow Creek 3 miles South of Duncan, Thursday 5:30 PM May 19 County Road."

Photograph of three men inspecting foundation of a flood damaged building after the May 10, 1950 flood on Willow Creek. The back of the photograph proclaims, “View near Willow Creek after flood of May 10, 1950."

Photograph of "Willow Creek, looking south from bridge on Main Street, after flood of May 10, 1950." An UNIDENTIFED man is walking in front of a damaged building, next to the car.

Photograph of an aerial shot of infertile overwash and floodplain scour caused by storm of May 18-19 on Cow Creek five miles southeast of Comanche. The back of the photograph proclaims, "Infertile overwash and floodplain scour caused by storm of May 18-19 on Cow Creek."

Photograph of numerous cars driving over a flooded road next to an alfalfa field on the right. Note: This collection contains two identical copies of this photograph, but one states Cow Creek and the other states Beaver Creek. The back of the photograph proclaims, "Cow Creek Crossing on US Highway No. 81 2 ½ miles south of Duncan. May 19, 1955 – 5:30 PM. There is an alfalfa field on the right."

Photograph of numerous cars driving past a flooded gin in the Cow Creek Watershed. Note: This collection contains two identical copies of this photograph, but one states Cow Creek and the other states Beaver Creek. The back of the photograph proclaims, "Gin of Comanche under water, alfalfa field in foreground. There are only two gins in County. 5:15 PM. 5-19-55 – Cow Creek Watershed."

Photograph of the aftermath damages of the May 19, 1955 Cow Creek flood three miles south of Duncan, which shows a flooded county road inundated with floodwaters. Note the barbed wire in the extreme foreground and the height of the water. The back of the photograph proclaims, "Cow Creek 3 miles South of Duncan, Thursday 5:30 PM May 19 County Road."

Photograph of view looking down-stream through break in embankment. Failure occurred on night of May 9th. High water mark 4.9 feet above inlet to draw down tube.

Photograph of aerial view of fifteen houses that were washed from their foundations during flood of May 9-10, 1950. Some of the houses drifted two blocks.

Photograph of view looking up-stream through break in embankment. Water still flowing through break. Note washin in topsoil on down-stream slope of the embankment.

Photograph of view looking up-stream through break in embankment. Inflow from up-stream temporarily blocked and break partially drained.

Photograph of infertile overwash and floodplain scour caused by storm of May 18-19 on Cow Creek.

Photograph of aerial view of fifteen houses that were washed from their foundations during flood of May 9-10, 1950. Some of the houses drifted two blocks.

Photograph of view near Willow Creek after flood of May 10, 1950.

Photograph of view near Willow Creek after flood of May 10, 1950.

Photograph of view showing spillway entrance and crest. Topsoil wash out in crest section after heavy rainfall on nights of May 9th and 10th. Note crack along crown line of embankment caused by sluffing of topsoil.