Archival objects in this container: Lake Mead and Las Vegas Valley vicinity maps, approximately 1947 to 1970 Lake Mead National Recreation Area and Colorado River maps by Edward W. Pulver & Son, approximately 1947 to 1970 Panoramic perspective maps of areas adjacent to the Lake Mead National Recreation Area and Hoover Dam by the Union Pacific Railroad Company, 1947 to 1958 Lake Mead National Recreation Area brochure and map of points of interest by the United States Department of the Interior, 1951 to 1956 Partial topographic and water level maps of Lake Mead by the Geological Survey and Soil Conservation Services, 1952 September Topographic maps of the Lake Mead National Recreation Area and Mormon Mesa by the United States Geological Survey, 1953 to 1958 Lake Mead National Recreation Area rendered map by Cliff Segerblom, 1977