Photograph of a close up shot of roots from first year clover on a failing field located on Norman Farm. The back of the photograph proclaims, "This field was failing; yields were low; the land was tight although rated as a medium textured soil. This excavation was made on one of the thin areas. The roots were growing out laterally. This was the first year of clover. See Okla-10-286."

Photograph of a close up shot of roots from first year clover on a failing field located on Norman Farm. The back of the photograph proclaims, "This field was failing; yields were low; the land was tight although rated as a medium textured soil. This excavation was made on one of the thin areas. The roots were growing out laterally. This was the first year of clover. See Okla-10-286."

Photograph of a field of sweetclover overseeded in wheat stubble. The back of the photograph proclaims, "Field of sweet clover overseeded in wheat stubble. Will go to seed – then will be followed by wheat. C-3-E erosion – No evidence of plowpan – yield satisfactory. Clover has been used for a number of years. Roots were growing straight down in the normal way. See Okla-10-285."

Photograph of a field of clover. Close up of Ladino clover

Photograph of Dixie (reseeded) Crimson clover. Seeded in November, 1948 with 18 pounds of seed per acre and fertilized with 1 ½ tons lime and 700 pounds of 20 % superphosphate. Grazed from March 1 to April 15. Soil Unit 5-FC. LA-61-746.

Photograph of a red shale hills site in poor condition. The back of the photograph proclaims, "Red shale hills site (soil unit 24-RR) in poor condition, cover mainly of threeawn and weeds amounting to 1800 lb. per acre. The grass clumps are conspiouously [sic] tussocked by erosion of the exposed areas between."

Photograph of the Red Shale Hills site (soil unit 24-RR) in poor condition, cover mainly of threeawn and weeds amounting to 1800 lb. per acre. The grass clumps are conspicuously tussocked by erosion of the exposed areas between.

Photograph of soil erosion on very shallow phase of red shale hills site in Rolling Red Plains taking place. A ruler sits next to a tussock of blue grama showing extent of erosion. The back of the photograph proclaims, "A tussock of blue grama 4 inches high shows extent of erosion that has taken place on very shallow phase of red shale hills site (Soil Unit 2x) in Rolling Red Plains. All the topsoil has been removed, exposing the shale parent material."