Serpent Mounds, Peterborough Co. Ont.-- General view of excavation in Serpent Mound from southeast. Gray soil at bottom of excavation is hardpan subsoil. Mound fill ca. three feet deep at this point. Mound extends at left and right out of picture. Center-line "baulk" at right.
Franklin County, Washington; Marmes Rock Shelter (45-FR-50), view of excavation facing north at 40 N shows that talus cone has over flood plain sediments at the Marmes level, the upper dark band to right of Jacobs staff.