Photograph of the Camp Creek flood plain. Salix-Ulmus; Ulmus stage with Elymus undercover, probably due to silting.

Photograph of water standing in lister furrows and terrace channel after a four-inch rain in a cotton field planted on the contour. OK-5839.

Photograph of a large Bermuda-grassed terrace outlet system which will carry water from 30 acres. Grass spot sodded in June 1937 and water kept out until the Fall. OK-6001.

Photograph of cutting and threshing wheat on the contour with a combine in a terraced field. The wheat was drilled in with a deep furrowed drill on the contour.

Photograph of water standing in lister furrows and terrace channel after a four-inch rain in a cotton field planted on the contour.

Photograph of a cotton field with rows running up and down the hill during a 4-inch rain. Note the relatively small amount of water in the rows. It is running down in the hill and emptying into the wash in the background. This wash is cutting directly across the filed and is over 100 feet wide and about 18 inches deep. This picture was taken the same time as picture number Okla. 5837. Contract the pictures for the value of contour farming. This farm is situated directly North across Highway No. 9 of the Thayer farm shown in picture number Okla. 5837.

Photograph of cutting and threshing wheat on the contour with a combine in a terraced field. The wheat was drilled in with a deep furrowed drill on the contour.

Photograph of cotton planted on the contour in a terraced field, showing lister furrows and terrace channel full of water after a four inch rain. Note small cotton plants in lister furrows. Contrast this picture with Okla-5838, which was taken at the same time showing a cotton field with rows up and down the hill immediately across the road.