Archival objects in this container: Tourists standing at observation point: photograph, 1933 May 14 Al Olson posing on motorcycle at observation point: photograph, 1933 May 14 Approach to observation point: photograph, 1933 May 14 Babcock & Wilcox: photograph, 1933 May 14 Looking down from observation point: photograph, 1933 May 14 Head tower, government hi-line: photograph, 1933 May 14 Concrete truck loading: photograph, 1933 May 14 Looking upstream: photograph, 1933 May 14 Dr. Sutton: photograph, 1933 July 01 Boulder Dam forms from hi cat-walk: photograph, 1933 September 03 Nevada spillway and hi cat-walk: photograph, 1933 September 03 Government skip upstream from observation point: photograph, 1933 September 03 Upstream from hi cat-walk: photograph, 1933 September 03 Nevada spillway: photograph, 1933 September 03 Hi cat-walk toward Arizona: photograph, 1933 September 03 Men taking off for Arizona: photograph, 1933 September 03 Downstream from below high cat-walk: photograph, 1933 September 03 Government cableway toward Arizona: photograph, 1933 September 03 Electric locomotive and agitators: photograph, 1933 September 03 Downstream general view from observation point: photograph, 1933 September 03 Babcock & Wilcox: photograph, approximately 1933 Boulder Dam hi-lines from below: photograph, approximately 1933 Downstream general view from observation point: photograph, 1933 September 03 View of access road and construction lines: photograph, approximately 1933 View of Boulder City buildings: photograph, approximately 1933 Load More