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 photogrammetric methods. Aerial photographs taken 1949 and ..., Land lines unsurveyed except in parts of T. 55 N., Rs. 105 and 106 W. and T. 56 N., R. 106 W., 1956., N4445-W10930/15.
[Topo] WYUE, Relief shown by contours and spot heights., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1949 and ..., Land lines unsurveyed except in parts of T. 55 N., Rs. 105 and 106 W. and T. 56 N., R. 106 W., 1956., N4445-W10930/15., 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 1949 and ..., Land lines unsurveyed except in parts of T. 55 N., Rs. 105 and 106 W. and T. 56 N., R. 106 W., 1956., N4445-W10930/15., AMS 4073 I--series V774.
1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1949 and ..., Land lines unsurveyed except in parts of T. 55 N., Rs. 105 and 106 W. and T. 56 N., R. 106 W., 1956., N4445-W10930/15., AMS 4073 I--series V774.
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 1949 and ..., Land lines unsurveyed except in parts of T. 55 N. Rs. 105 and 106 W. and T. 56 N. R. 106 W., 1956., N4445-W10930/15.
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 1949 and ..., Land lines unsurveyed except in parts of T. 55 N. Rs. 105 and 106 W. and T. 56 N., R. 106 W., 1956., N4445-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., Field examination and publication by the Geological Survey as part of the Department of the Inter..., 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., Forested areas overprinted in green., Topography from aerial photographs by stereoplanigraph methods, 1949. Aerial photographs taken Ju..., 1950., N4445-W10900/15., AMS 4173 I--series V774.
1927 North American datum., Relief shown, Topography from aerial photographs by stereoplanigraph methods, 1949. Aerial photographs taken Ju..., 1950., N4445-W10900/15., AMS 4173 I--series V774.
1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by multiplex methods. Aerial photographs taken 1944. Field che..., Red tint indicates area in which only landmark buildings are shown., 1949., N4430-W10900/15., AMS 4173 II--series V774.
1927 North American datum., Relief shown by contours and spot heights., Topography from aerial photographs by multiplex methods. Aerial photographs taken 1944. Field che..., Red tint indicates area in which only landmark buildings are shown., N4430-W10900/15.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by multiplex methods. Aerial photographs taken 1944. Field che..., Red tint indicates area in which only landmark buildings are shown., 1949., N4430-W10900/15., AMS 4173 II--series V774.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by multiplex methods. Aerial photographs taken 1944. Field che..., Red tint indicates area in which only landmark buildings are shown., N4430-W10900/15.
1927 North American datum., Relief shown by contours and spot heights., Forested areas overprinted in green., Topography from aerial photographs by multiplex methods. Aerial photographs taken 1944. Field che..., Red tint indicates area in which only landmark buildings are shown., N4430-W10900/15.
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 1949 and ..., 1956., N4500-W10945/15.
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 1949 and ..., 1956., N4500-W10945/15., AMS 4074 III-Series V794.