UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
Topography from aerial photographs by multiplex methods Aerial photographs taken September 1947. Field check 1949 Polyconic projection. 1927 North American datum
10,000-foot grids based on Colorad0 coordinate system, south zone and central zone
Dashed land lines indicate approximate location
Land lines omitted in T.48 N.-R. 17 W, because of insufficient data Unchecked elevations are shown in brown
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APPROXIMATE MEAN DECLINATION, 1949UNITED STATES
ATOMIC ENERGY COMMISSION
CONTOUR INTERVAL 20 FEET
DATUM IS MEAN SEA LEVEL
THIS MAP COMPLIES WITH NATIONAL MAP ACCURACY STANDARDS
FOR SALE BY U. S. GEOLOGICAL SURVEY, FEDERAL CENTER, DENVER, COLORADO OR WASHINGTON 25, D. C.
A FOLDER DESCRIBING TOPOGRAPHIC MAPS AND SYMBOLS IS AVAILABLE ON REQUEST
ATKINSON CREEK QUADRANGLE
COLORADO
7.5 MINUTE SERIES (TOPOGRAPHIC)
ROAD CLASSIFICATION
HARD SURFACE ALL WEATHER ROADS DRY WEATHER ROADS
Heavy-duty _____ • LANE'" LAN& Improved dirt ___ = Medium-duty_ _ <..!;.(!NI'J.!i. LA~i~Jii. Unimproved dirt=========
Loose-surface, graded, or narrow hard-surface.
Q
U. S. RouteQ
State RouteATKINSON CREEK, COLO.
N3822.5-W10837.5/7.5
EDITION OF 1950