Archival objects in this container: Las Vegas, Nevada: photographic prints, negatives, and slides; and postcard Goodsprings, Nevada: photographic prints, negatives, and slides; and postcard, approximately 1915 to 1920 James H. Down Sr. portraits: photographic prints, approximately 1920 to 1928 Glenn Davis' photographs of the Colorado River and Hoover Dam (Boulder Dam): photographic prints, negatives, and slides, approximately 1930 to 1940