Photograph of Mr. Raby, land owner, is seen in the photo with his stand of grain sorghum planted in Miles Sandy loam.

Photograph of Dr. Hollis and Mr. McBride looking over Mr. Hollis' GPCP contract.

Photograph of Mr. McBride, left, and Mr. Raby, right, looking over Truman Fletcher's GPCP contract.

Photograph of Dr. Hollis and Mr. McBride looking over Mr. Hollis' GPCP contract.

Photograph of native grass on Class IV land. Pratt Redest varient grass planted 1956. Mid and tall grass.

Photograph of Bill Pittman, SCD Manager, cleaning Caucasion bluestem with District cleaner.

Photograph of Soil. Miles sandy loam site. Grain sorghum. Mr. Ruby, land owner, is seen in the photo. OK-980-1.

Photograph of Dr. J. B. Hollis and Mr. [James] McBride looking over Mr. Hollis's GPCP [Great Plains Conservation Program] Contract. OK-979-12.

Photograph of Dr. J. B. Hollis and Mr. [James] McBride looking over Mr. Hollis's GPCP [Great Plains Conservation Program] Contract. OK-979-11.

Photograph of a mulching detention dam. Placing native grass mulch on the back side of a detention dam. Site 14, Cavalry Creek, 2 [miles?] west and 5 [miles?] south of Cordell, Oklahoma. In this case native grass hay is being spread by hand at the rate of 2½ tons per acre. Note the native grass seed has been applied ahead of the mulch. OK-951-4.

Photograph of a seeding detention dam. Seeding native grass on the back slope of a detention dam. Site 14, Cavalry Creek, 2 [miles?] west and 5 [miles?] south of Cordell, Oklahoma. The lower tractor and seeder is held on the 2-1 slope by an anchor cable from the top tractor. A winch is used to lengthen cable as needed. OK-951-1.

Photograph of the mulching and seeding of a detention dam. Olen Rowlett is shown examining the mulching work being done. Site 14, Cavalry Creek, 2 [miles?] west and 5 [miles?] south of Cordell, Oklahoma. The lower portion of the dam has the prairie hay mulch spread and has been pressed in. Note the roll appearance of the hay. The upper portion has been seeded and mulch hay is being spread. OK-1130-2.

Photograph of the seeding of a detention dam. Seeding native grass on the back slope of a detention dam. Site 14, Cavalry Creek, 2 miles west and 5 miles south of Cordell, Oklahoma. Using a 3-point hitch Brillion Seeder. John deere anchor tractor. A winch is used to lengthen the cable as needed. OK-951-2.

Photograph of the seeding of a detention dam. Seeding native grass on the back slope of a detention dam. Site 14, Cavalry Creek, 2 miles west and 5 miles south of Cordell, Oklahoma. Using a 3-point hitch Brillion Seeder. John deere anchor tractor. A winch is used to lengthen the cable as needed. OK-951-6.

Photograph of a mulching detention dam. Placing native prairie hay mulch on a detention dam. Site # 14 of Calvary Creek, 2 miles west and 5 miles south of Cordell, Oklahoma. 2 ½ tons of native prairie hay is being placed by hand on the front slope of this site. Native grass was seeded with a Brillion Seeder. Then prairie hay bales were spaced so as to accomplish a uniform amount per acre. OK-951-3.

Photograph of the mulching of a detention dam. Native prairie hay mulch at the rate of 2 ½ tons per acre is being placed in with am EMCO-type mulcher on the front slope of Site # 14, Calvary Creek, 2 miles west and 5 south of Cordell, Oklahoma. Mr. Thompson and Mr. Cabiness, contractors, are operating the tractors. OK-1130-3.

Photograph of the seeding and mulching of a detention dam. The lower portion of the back slope of a detention dam, Site # 14, Cavalry Creek, 2 miles west and 5 south of Cordell, Oklahoma, has been mulched and pressed in. The bales of hay are scattered along the top of the dam and scattering mulch is in progress in the background. OK-1130-1.

Photograph of drawdown pipe on Site No. 22, Lake Humphreys after 7 inches of rain during 3 day period.

Photograph of seeding native grass hay on cut slope of spillway detention dam. A three point hitch Brillion Seeed is being used to place the seed and is being anchored to the 1 1/2 cut slope by cable from upper tractor.

Photograph of placing native grass mulch on back side of detention dam. Site No. 14, Cavalry Creek. In this case native grass hay is being spread by hand at the rate of 2.5 tons per acre. Note native seed has been applied ahead of the mulch.

Photograph of placing native grass mulch on back side of detention dam. Site No. 14, Cavalry Creek. In this case native grass hay is being spread by hand at the rate of 2.5 tons per acre. Note native seed has been applied ahead of the mulch.

Photograph of placing native grass mulch on detention dam. Site No. 14, Cavalry Creek, 2 miles west and 5 miles south of Cordell. 2.5 tons of native prairie hay is being placed by hand on the front slope of this site. Native grass seed was seeded with a Brillion Seeder. Then prairie hay bales were spaced so as to accomplish a uniform amount per acre.

Photograph of native prairie hay mulch at the rate of 2.5 tons per acre is being placed in the EMCO Type Mulcher on the front slope of Site 14, Cavalry Creek, 2 miles west and 5 miles south of Cordell, Okla. Mr.Thompson and Mr. Cabiness, contractors, are operationg the tractors.

Photograph of 2.5 tons of native prairie hay is being cut in on the front slope. Site No. 14, Cavalry Creek, 2 miles west and 5 miles south of Cordell, Okla. The cutter being used here is an EMCO type cutter with 10 inch spacing. The grass is placed into the ground approximately 3 inches.