Photograph of a grass enclosure on a heavy bottomland site in poor condition. Also shows use of depths of filed chart. Soil: Miller clay. OK-2478-13.

Photograph of the first terrace demonstration held in Ellis County, Oklahoma in 1926. Herbert C. Heyer, County Agent, and G.E. Martin, Extension Engineer, held the demonstration.

Photograph of overflow and seepage of salt water killed vegetation. Erosion resulted from the lack of protective cover. Many installation such as this have gone unchecked for periods of 15 to 20 years creating a big conservation problem. OK-1156-7.

Photograph of a good stand of wheat is present in this field where all tillage operations were performed with sweeps.

Photograph of the H.E. Zimmerman Co-op and a drill being used in Bermuda grass pasture to seed oats and vetch for spring pasture. OK-195-2.

Photograph of a graded boreder irrigation system of 400 acres. Water is pumped from the Verdigris River at H.E. corner of 400 acre field. Water is shown running from feeder ditch through border to field tabs. Field to left of electric fence is in rye and vetch and has had one irrigation. An additional 300 acres will be leveled smoothed ditched and bordered and put into irrgation in 1956. The system provides drainage as well as irrigation.

Photograph of graded Border Irrigation System. (4300 Acre). Water is pumped from Verdigris River at N. E. corner of 400 acre field. Water is shown running from feeder ditch through border to field tabs. Field to left of electric fence is in rye and vetch and has had one irrigation. An additional 300 acres will be leveled smoothed ditched and bordered and put into irrigation in 1956. The system designed provides drainage as well as irrigation.

Photograph of the Herman Dacus Coop showing oats and vetch sown into a sericea-bermuda meadow with sod drill. Cattle grazing on the pasture. OK-195-1.

Photograph of spoils banks from land formally strip-mined in 1947 located on Todd Fugate's property. The back of the photograph proclaims, "Spoils banks from land strip mined in 1947. Fugate intended to smooth spoils banks and sod bermudagrass for pasture, but gave up after spending $105.00 on dozer work and got only the one spoils bank leveled which is shown in photo. He sowed Korean lespedeza and is waiting for more weathering of shale before sodding Bermuda. What he has in spoils banks is mostly wasteland or Class VIII land of questionable value for wildlife."

Photograph of two contrasting fields, one overgrazed, one properly grazed, separated by a crude wooden fence. Jesse Hull occupies the overgrazed field while James Egan owns the properly grazed field. The back of the photograph proclaims, "Proper grazing vs overgrazing. Land on left side of fence overgrazed, both pastures have same slope, rainfall and same type of grasses. Pasture on right has been properly grazed (took ½ left ½) and still has good stand of grass."

Photograph of follow up of Oklahoma 10-916-A. Sand blowing out of a field into a road from a field of Class IV, VII - 12X land. Little rainfall, continuous wind and now cropping speed up this winderosion. Landowner plans to put this land into pasture of mixed bluestem grasses. OK-916-B.

Photograph of a windmill and tank on the Rose Valley Community in Woods County. The back of the photograph proclaims, "Water for live stock is not hard to find. Many of these windmills and tanks dot Woods County. Water is found at shallow depth and this well is 40 feet deep. Water facilities well distributed over the area promotes uniform grazing."

Photograph of a portable irrigation system watering abbruzzi rye on a dam. Detention reservoir # 2. OK-10-345.

Photograph of an aerial shot of a badly gullied area on which erosion control has been attempted through terracing. The back of the photograph proclaims, "Badly gullied area on which erosion control has been attempted through terracing. This area will have diversion ditches around head and all gullies sloped and re-terraced. Progress pictures to be taken."

Photograph of follow-up of Okla 5135 & Okla 5136, terrace outlet channel well vegetated with Bermuda grass.

Photograph of the contrast between two pastures. On the left, it has been heavily grazed. On the right it has had one year of protected grazing. OK-5945.

Photograph of a high-velocity masonry flume installed at a gully head to prevent further cutting. It also handles excess water from a terraced field.