Access Restricted Archival objects in this container: Signing of the Hoover Dam contract, 1931 Prayer service for Hoover Dam, approximately 1930-1940 Reclamation Group to Boulder City in Las Vegas, approximately 1925-1930 Reclamation Group on the Colorado River, approximately 1920-1930 Reclamation Group near the Colorado River, approximately 1920-1930 Hoover Dam construction, approximately 1930-1935 Wahmonie, Nevada, approximately 1928 Wahmonie, Nevada, approximately 1928 Weepah, Nevada, approximately 1900-1940 Black Canyon, undated Colorado River, undated Black Canyon, undated Black Canyon, undated Boulder Canyon, approximately 1900-1940 Black Canyon, approximately 1900-1940 Black Canyon, approximately 1900-1940 Black Canyon or Boulder Canyon, approximately 1900-1940 Black Canyon, approximately 1900-1940 Black Canyon, approximately 1900-1940 Lake Mead and Fortification Hill, approximately 1940-1970 Colorado River, approximately 1900-1950 Colorado River, approximately 1900-1950 Ray Lyman Wilbur pounding stake to complete railroad line, 1930 September 17 Cashman Ferry, undated Boat in water, undated
