Photograph of W. Alvin Trissell at the Kelley Hartley Ranch, Vinita, Oklahoma, showing Rhizoma alfalfa on ridge top on strip mine spoils.

Photograph of W. Alvin Trissell at the Kelley Hartley Ranch, Vinita, Oklahoma showing a young Bois-d'arc tree planted on strip mine spoils in 1969.

Photograph of Longhorn cows and calfs grazing at Grama Lake, Wichita Mts. Wildlife Refuge. OK-4167-15.

Photograph of flood water in the Little River bottom four miles northwest of Idabel. M. V. mcMullan ranch. OK-4499-3.

Photograph of flooding, near Garvin. Damage done to county road as a result of flooding. Road was one of the better hard-surfaced rural roads in McCurtain County. OK-4499-8.

Photograph of waershed structure showing wave action damage. Button bush has been planted on the front slope. OK-4238-6.

Photograph, Upper Washita watershed, watershed structure that has been overgrazed. OK-4238-4.

Photograph of Lt. Governor George Nigh speaks at the dedication of Wiley Post Lake. OK-4454-1.

Photograph of Jack Adair, head of the Fort Worth Emergency & Water protection (E&WP) Unit, represents Soil Conservation Service (SCS) administrator at the Wiley Post Lake dedication. OK-4454-10.

Photograph of the Maysville High School band playing at the Wiley Post Lake dedication. OK-4455-3.

Photograph of OK's 1500th structure, Site # 34, Finn Creek. Workmen for the Holtzen Construction Company compact sand in trench used for foundation drain. OK-4287-4.

Photograph of Maysville Lateral Site, B3. An aerial view from the west looking east over F. P. site # 3. The City of Maysville lies in the background. This site furnishes protection to the City of Maysville. Site constructed in 1971. OK-3734-13.

Photograph of aerial view of Site 34, Finn Creek watershed project, located north of Maysville. The lake is Oklahoma's 1500th flood control structure and was dedicated as Wiley Post Memorial Lake on Oct. 22, 1971. OK-4448-2.

Photograph of J. A. Carrick standing next to a surplus of baled Bermudagrass baled. A herd of cattle, buildings, and stalls stand in the background. The back of the photograph proclaims, "This picture shows surplus Bermuda baled. Bermuda grass is grazed but when a surplus becomes evident due to rain the surplus is baled. Field was irrigated and under a GP Contract."

Photograph of DC Carl Mackey and Ronald Pond discussing sow herd management on Pond's farm. People shown in photo go as followed from left to right: 1. DC Carl Mackey, 2. Ronald Pond. The back of the photograph proclaims, "DC Carl Mackey (left) and Ronald Pond discuss management of sow herd on the Pond farm."

Photograph of Salt water spraying from a salt water line and killing the vegetation on a large area near the Jack Cochran farm north of Oglesby. The Saltwater is also running into Hogshooter Creek and polluting the stream. The back of the photograph proclaims, "Salt water spraying from a salt water line and killing the vegetation on a large area. Also is running into Hog-shooter Creek and polluting the stream."

Photograph of DC Carl Mackey, Ronald Pond, and his son, Bruce standing in front of Pond Hog Farm's waste disposal lagoon. People shown in photo go as followed from left to right: 1. DC Carl Mackey, 2. Bruce, 3. Ronald Pond. The back of the photograph proclaims, "DC Carl Mackey (left) and Ronald Pond with son, Bruce, look at the waste disposal lagoon constructed to prevent pollution from the Pond swine operation."

Photograph of "DC Carl Mackey (left) and conservation district cooperator Ronald Pond discuss management principles applied at the Pond swine enterprise." People shown in photo go as followed from left to right: 1. DC Carl Mackey, 2. Ronald Pond.

Photograph of a portion of a herd of 235 mother cows grazing on Carrick farm's Bermudagrass field. The back of the photograph proclaims, "Bermudagrass grazed by 235 mother cows – pastures grazed in a 3-pasture rotation system."

Photograph of eleven Registered Herford cattle grazing on Bermudagrass on land owned by Mrs. A. H. Riney. A few homes are in the background. The back of the photograph proclaims, "Registered Herford cattle grazing on Bermuda grass in December. There is still good growth for winter forage."

Photograph of cows and calves grazing south of Grama Lake, Wichita Mountains Wildlife Refuge.

Photograph of W. Alvin Trissell at the Kelley Hartley Ranch, Vinita, Oklahoma, showing Rhizoma alfalfa on ridge top on strip mine spoils.

Photograph of hard surfaced road damaged by flood waters.

Photograph of boys swimming at site # 8, Whitegrass waterhole watershed. OK-4321-1C.