Photograph of roots of a cotton plant being turned by a plow pan [i.e., a subsurface horizon or soil layer having a high bulk density and a lower total porosity than the soil directly above or below it as a result of pressure applied by normal tillage operations]. OK-125-6.

Photograph of roots of cotton plant being turned by plow pan.

Photograph of running indiltration test after leveling for border irrigation. Farm planning Soil unit 4h-RP-A-1, present indiltration rate as measured by the infiltrometer - .2 inches per hour.

Photograph of Weeping Lovegrass meadow strip, terrace system and contour farming.

Photograph of peanuts and grain sorghum strip cropped, 8 x 8 in rows.

Photograph of blue panic grass in crop rotation. Grass was planted in the late spring of 1954. OK-128-12.

Photograph of the south end of a waterway, just staked,, looking north. Designed on non-erosive grade for drainage of 1600 acres for 3700 feet spilling into the South Canadian River. It protects several acres of bottom alfalfa land. Photo OK-184-12 shows the waterway after construction started. OK-184-10.

Photograph of the Harry Buckmaster Farm. Overfall of pond spillway is about to go out. Shooting upstream. No sandrock. This will require expensive maintenance. OK-184-7.

Photograph of a completed stock pond road fill project on I. C. Ingram's land in Caddo county. The back of the photograph proclaims, "Completed stock pond road fill project. 385 acres drainage area. This was a cooperative project between Ingram, Caddo Co. Commissioners, SCS and ACP. Pond area has been fenced and earthen fill sodded to grass. Ingram has 400 acres in Caddo Co. and all is under basic plan with North Caddo SCD. He started work in 1945 and has been applying soil conservation practices each year."

Photograph of a completed stock pond – road fill project. 385 acres drainage area. This was a cooperative project between I.C. Ingram, Caddo County Commissioners, the Soil Conservation Service [SCS] and the Agricultural Conservation Program [ACP]. Ingram needed stock water and received assistance from ACP for that purpose. Caddo County Commissioners furnished extra yardage needed to make it suitable for a raod fill. Ingram has 400 acres in Caddo County and all of it is under a basic plan with the North Caddo Soil Conservation District [SCD]. He started work in 1945 and has been applying soil conservation practices each year. OK-891-3.

Photograph of combining Cheyenne Indiangrass seed.Seeded in 1958. Seed for this planting furnished by Plant Material Center.

Photograph of several people running a large combine in a grassy field. Typed description on back: "Combining Cheyenne Indiangrass seed. Seeded in 1958. Seed for this planting furnished by Plant Material Center."

Photograph of SCS technicians B.P. Prickett and L.J. McDonald, Assistant State Conservationist, examine stubble mulch tillage just prior to seeding wheat. This stubble mulch tillage was done with 30 inch sweeps.

Photograph of SCS Technician B.P. Prickett examining stubble mulch tillage just prior to seeding wheat. This stubble muclh tillage was done with 30" sweeps.

Photograph of B. F. Prickett, Soil Conservation Service [SCS] technician and Marshall Smith examining approximately 2400 pounds of Woodward sand bluestem harvested from an 8 acre field seeded in the spring of 1958. Seed for this planting was furnished by the Plant Material Center. OK-1013-6.

Photograph of western wheatgrass waterway. Note the stubble mulch tillage of the adjoining fields. OK-1013-10.

Photograph of Marshall Smith and SCS technician B.F. Prickett harvesting Woodward sand bluestem seed. This 8 acre field was seeded in spring 1938. Produced approximately 2400 lbs. combine ran seed in 1959. Seed for this planting furnished by Plant Material Center.

Photograph of the nation's largest canna farm in Alfalfa, Oklahoma. A house, barn, and silos are behind the field. The back of the photograph proclaims, "Canna Farm – Nation's largest Canna farm. Bulbs are set out in spring and dug in fall – processed, packaged and shipped in winter. Irrigated during summer. Shipped to all parts of the world."

Photograph of a natural drain waterway established to Western Wheatgrass this spring [1959]. OK-1023-9.

Photograph of strip cropping using eight rows of peanuts and right rows of combined maize. Practice is used on terraced and countour farm.

Photograph of strip cropping using eight rows of peanuts and right rows of combined maize. Practice is used on terraced and contour farm.

Photograph of strip cropping using eight rows of peanuts and right rows of combine maize. Practice is and on terraced and contour farm.

Photograph of an automobile stalled in sand trap in dust storm on March 26, 1950. Only fields not suffering from erosion in this immediate vicinity are those fields where vetch and small grain furnish cover. OK-10, 359.

Photograph of sand drifts on unprotected sandy land farm after a bad dust storm. OK-10, 489.