Black and white photograph looking northwest along Abbot's Brook in Trenton, New Jersey, near Argillite site.

Black and white photograph of Drs. Cooke and Leverett on Folly Beach at Charleston, South Carolina. Tree stumps and sand dunes are visible in the background.

Black and white photograph of five people, three men and two women, on lawn of a golf course in Melbourne, Florida. A tree is visible in foreground of the image. Trees, a set of bleachers, and a house is visible in the background.

Black and white photograph of an exposed strata along Crane Creek. Three men are visible in the photograph, with two standing next to the strata and one man working in the strata.

Black and white photograph taken from terrace in Crane Creek valley looking north. The photograph shows a landscape of a golf course with trees and buildings visible.

Black and white photograph of three geologists, Dr. Frank Leverett, Dr. Douglas W. Johnson, and Wright, on the beach near Tampa, Florida.

Black and white photograph of Lovell's Lake, Texas, looking east from the road corner along the lake.

Black and white photograph of Lovell's Lake, Texas, looking west from the road corner. A wire fence enclosing an area of field is visible with the lake in the background.

Black and white photograph of Lovell's Lake with Lovell's Lake farm house visible in the background on delta ridge.

Black and white photograph looking east on China ridge west of China, Texas. A farm is visible in the background.

Black and white photograph of Hockley scarp. The road and power lines are visible.

Black and white photograph of Hockley scarp. The road and power lines are visible. An automobile can be seen driving on the road in the background.