Photograph of contour blanklisted furrows in the foreground which are not only protecting this field but are collecting soil blowing from the unprotected field in the background. The angle which the closest man is leaning into the wind indicates its velocity. OK-5466.

Photograph of range management. Grama grass pasture (left) as overgrazed; Condition Class II (good). Grama grass pasture (right); Condition Class I (Excellent), properly grazed. One row (?) to 20 acres has been carried for the past several years on the Class I pasture, while the one on the left has carried about one cow (?) to 10 acres for the same period. Grass on the right was excellent during the drought of 1939 while the one on the left was being damaged by wind erosion. OK-8950.

Photograph of revegetation. Class VII land planted to mixture of blue grama and side oat grama. Seeded in 1942. Chick Lowrey, Work Unit Conservationist, left, and John Oren, member, Board of Supervisors, right. OK-8927.

Photograph of range condition class I (excellent) on Class VII land. The principal representation [?] blue grama and side oats grama. This will safely carry 1 cow to 20 acres. OK-8931.