Photograph of Omer and Orville Moore, and their dogs, with opossum hides taken over three nights.

Photograph of an UNIDENTIFED man standing in a pasture contour ridge on the Sentinel Camp. Several buildings are visible in the background. The back of the photograph proclaims, "Contour pasture ridges showing increased growth along the contours."

Photograph of pasture contour ridges from the Sentinel Camp. Several buildings are visible in the background. The back of the photograph proclaims, "Pasture contour ridges showing increased growth along the contours."

Photograph of contour pasture ridges showing increased grass growth. The back of the photograph proclaims, "Showing increased grass growth above and below contour pasture ridges."

Photograph of an UNIDENTIFED man standing in a pasture contour ridge on the Sentinel Camp. Several buildings are visible in the background. The back of the photograph proclaims, "Contour pasture ridges showing increased growth along the contours."

Photograph of a partially completed educational building. This structure was built by the camp members doing extra duty and will be used by the boys for educational activities.

Photograph of Lloyd Lafave standing next to traps used on the farm for rabbits.

Photograph of contour furrows on the Sentinel Camp. A house, barn, and possibly horse are visible in the background. The back of the photograph proclaims, "Contour furrows showing moisture held in furrows."

Photograph of pasture contour ridges from the Sentinel Camp. Several buildings are visible in the background. The back of the photograph proclaims, "Pasture contour ridges showing increased growth along the contours."

Photograph of El-Ma-el-Abiode on a broad valley plain about 20 miles south of Tebessa in a region where an olive tree cannot now be found, are the ruins of a very large olive press, showing splendid construction. It was designed to receive and compress large quantities of olives expeditiously. The ruins show that 6 large presses with base stones 3 feet in diameter were used here. It strikes one with amazement to contemplate what this elaborate press for compressing oil from olives implies in olive culture for this valley plain.

Photograph of a close-up shot of a "Contour blank basin listing showing where moisture was held from a four-inch rain."

Photograph of contour furrows on the Sentinel Camp. A house, barn, and possibly horse are visible in the background. The back of the photograph proclaims, "Contour furrows showing moisture held in furrows."