Photograph of "Location of ditch staked ready to be cut."

Photograph of two UNIDENTIFIED SCS technicians staking lateral ditch and field drains. The back of the photograph proclaims, "SCS technicians staking lateral ditch and field drains."

Photograph of two UNIDENTIFED men staking double field drains. A barn and a few small structures are seen in the background. The back of the photograph proclaims, "Staking double field drains."

Photograph of SCS Technician J. H. Slack and Ernest Covington inspecting a drainage ditch maintained by fencing for grazing. People shown in photo go as followed from left to right: 1. Earnest Covington, 2. J. H. Slack. The back of the photograph proclaims, “SCS Technician J. H. Slack (rt) and Ernest Covington inspect drainage ditch maintained by fencing for grazing. Brushy growth, unpalatable to cattle, is removed by mowing. SCS technicians had to wade in water when they staked out this ditch.”

Photograph of two UNIDENTIFIED men standing on a completed double field drain with spoil spread. The back of the photograph proclaims, "Completed double field drain with spoil spread."

Photograph of Salah, the southernmost of the Algerian cases.