Land lines unsurveyed in Ts. 7 and 8 S.-R. 18 E. and T. 9 S.-Rs. 18, 19, and 20 E. based on the Principal Meridian, and unsurveyed in T. 58 N.-Rs. 104 and 105 W. and in part of T. 58 N.-Rs. 103 W. based on the Sixth Principal Meridian.
Relief shown by contours and spot heights.
Forested areas overprinted in green.
1956
Topography from aerial photographs by multiplex methods. Aerial photographs taken 1951 and 1952. Field check 1956.
N4500-W10915/15.
DMA 4174 III--series V794.
1927 North American datum.
