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.
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.