Access Restricted Archival objects in this container: Postcard: skeleton and pottery, 1926 Archaeological site of an infant burial showing pottery, Lost City, Nevada, undated "Dr. Campbell performing surgical operation": photographic reprint, approximately 1950 to 1969 Remains found in Lost City, Nevada, undated "Performing surgical operation on a patient": photographic reprint, approximately 1950 to 1969 Postcard: skeletal remains, Pueblo Grande de Nevada, approximately 1925-1930 H. O. Watts and others uncovering human skeletal remains during an archaeological excavation at Willow Beach near Lake Mohave, approximately 1948-1952 H. O. Watts uncovering human skeletal remains during an archaeological excavation at Willow Beach near Lake Mohave, approximately 1948-1952 H. O. Watts and others viewing human skeletal remains during an archaeological excavation at Willow Beach near Lake Mohave, 1950 Site of archaeological excavations near the Colorado River, 14 miles below Hoover Dam, where National Park and Service has recently uncovered valuable specimens of prehistoric civilization of Patayan Indians, 1947 December 10 Skeletal remains at Lost City, Pueblo Grande De Nevada, 1930-1939 Skeletal remains at Lost City, Pueblo Grande De Nevada, 1930-1939 Pottery and skeletal remains in the Lost City, Pueblo Grande De Nevada, 1930-1939