1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1954. Fie..., 1959., N4315-W10515/15., AMS 4970 IV--series V774.
United States, Atomic Energy Commission., Forested areas overprinted in green., Relief shown by contours and spot heights., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1953-1954..., 1958., N4430-W10400/15., AMS 5173 III--series V774., 1927 North American datum.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1954. Fie..., Blue hachured area is proposed Flaming Gorge Reservoir. Normal pool elevation 6040., 1957., N4100-W10930/15.
Description of the topographic map of the United States" and key to standard symbols on verso., Relief shown by contours and spot heights., Topography., Surveyed in 1884-85.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green, Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1954. Fie..., 1959., N4430-W11015/15.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by stereoplanigraph methods, 1949. Aerial photographs taken Ju..., 1950., N4445-W10900/15.
1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by stereoplanigraph methods, 1949. Aerial photographs taken Ju..., 1950., N4445-W10900/15.
1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by stereoplanigraph methods 1948 for the Bureau of Reclamation..., 1955., N4500-W11100/15.
Relief shown by hachures., Pen, pencil, and ink., "Copyright 1928, Grace Raymond Hebard.", Preliminary draft, with handwritten annotations and corrections, of map appearing in Hebard's Sac...
