Photograph of fertilized cotton.

Photograph of cows munching improved pasture on the Lonnie E. Blair farm. Fine Jersey stock grazing on improved pasture that is mowed regularly for weed control. The Blairs, who have a herd of about 5 cows, are milking 34. OK-8836.

Photograph of Austin Sisson, renter, shown with Soil Conservation Service [SCS] technician, Bodie Wilson, in a wheat field fertilized with 150 pounds superphosphate fertilizer per acre. OK-9907.

Photograph of part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Fine Jersey stock grazing on improved pasture that is mowed regularly for weed control. The Blair's, who have a herd of about 65 cows, are milking 34."

Photograph of part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Milk cows grazing improved pasture that is regularly mowed for weed control. There are about 65 head of stock in the Blair herd, 34 are being milked."

Photograph of Donald E. Blair standing with part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Herd of Jersey cows grazing on improved pasture that is regularly mowed for weed control. Donald E. Blair, son of owner, in photo. The Blair's have a herd of about 65 cows, 34 being milked at the present time."

Photograph of part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Milk cows grazing improved pasture that is regularly mowed for weed control. There are about 65 head of stock in the Blair herd, 34 are being milked."

Photograph of Donald E. Blair standing with part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Herd os [sic] Jersey cows grazing on improved pasture that is regularly mowed for weed control. Donald E. Blair, son of owner, in photo. The Blairs have a herd of about 65 cows, 34 being milked at the present."

Photograph of part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Milk cows grazing improved pasture that is regularly mowed for weed control. There are about 65 head of stock in the Blair herd, 34 are being milked."

Photograph of part of the Blair's sixty-five Jersey cows grazing on improved pasture. The back of the photograph proclaims, "Herd of Jersey cows grazing on improved pasture that is regularly mowed for weed control. The Blair's are milking 34 of the approximate 65 cows they own."

Photograph of a Marsh Hawk nest on Allan Gholsten's farm.

Photograph of a Marsh Hawks nest (Circus hudsonius). This nest is located in tall grasses of a sraw in a mixed-grass pasture, which has been "rested" for 5 yrs. 11 pellets picked up from around nest and analyzed by Denver Laboratory of U.S. Biological Survey were composed as follows: 3 cottontail (Sylvilagus), 3 cotton-rat (Sigmodon hispidus), 2 ground-squirrel (Citillus 13-linsatus), 1 house mouse (Mus musculus), 1 horned lark (Otocoris), and 1 mouse (Mus) and bird (sparrow?).

Photograph of a Marsh Hawks nest (Cirens budscaius). This nest is located in the tall grasses of a draw in a mixed grass pasture which has been "rested" for 5 years. 11 pellets picked up from around nest and analyzed by Denver Laboratory of this Biological Survey were composed as follows: 3 cottontail (Sylvilagus), 3 cottonrat (Signoden hispidns). 2 ground squirrel (Citellus 13-lineatus), 1 house mouse (Mus musculus), 1 horned lark (Otocoris), and 1 mouse (Mus), and bird (Sparrow?).

Photograph of a Marsh Hawk nest on Allan Gholsten's farm.

Photograph of a Marsh Hawks Nest (Circus hudsonius) located in tall grasses of a draw in a mixed-grass pasture, which has been "rested" for 5 years. 11 pellets picked up from around the nest and analyzed by Denver Laboratory of U.S. Biological Survey were composed as follows: 3 cotton-rat (Citellus 13-lineatus), 1 house mouse (Muz musculus), 1 horned-lark (Otocoris), and 1 mouse (Mus) and bird (sparrow?). Original Negative size 9 x 12 cm.

Photograph of S. R. Gorrell on tractor and his UNNAMED son on the combine combining hairy vetch and barley mixture mixed with cotton. People shown in photo go as followed from left to right: 1. S. R. Gorrell, 2. UNNAMED S. R. Gorrell's Son. The back of the photograph proclaims, "S. R. Gorrell and son combining hairy vetch and barley mixture. Planted in cotton stalks, Oct. 1949."

Photograph of Secrest Ranch showing the rear view of a self-propelled combine cutting seed from Indiangrass and big bluestem. Yields here were around 250 pounds of seed to the acre. The native grass is to be used largely in the Washita River watershed. OK-9756.

Photograph of Earle Goode of Ardmore cutting through a good stand of Indiangrass and big bluestem on the Secrest Ranch. The combine is owned by asher and Hurlow of Ardmore. The machine was set so high that it barely touched the tops of the larger plants of little bluestem; the exceeding bulk of the big bluestem and Indian grass made this necessary. The seed was cut on contract with the Soil Conservation Service. OK-9755.

Photograph of the rear view of a self-propelled combine cutting seed from Indiangrass and big bluestem. The back of the photograph proclaims, "Rear view of a self-propelled combine cutting seed from Indiangrass and big bluestem. Yields here were around 250 pounds of seed to the acre. The native grass is to be need largely in the Washita River watershed."

Photograph of a wheat field with the left side had no prior fertilizer treatment, while the right followed tomatoes fertilized with 4-12-4 at 100 pounds per acre. The back of the photograph proclaims, "The wheat in this picture was planted the same day, but that at the right has a much greater total growth and seems to be setting more grain than that at the left. The wheat at the right is grown on land where a crop of tomatoes, which had been fertilized with 4-12-4 at the rate of 100 pounds per acre, was grown last year. The wheat at the left follows another row crop, which had no fertilizer. Soil is 9-H."

Photograph of a spotted longhorn steer. OK-9192.