UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
Mapped, edited, and published by the Geological Survey
Control by USGS and USC&GS
Topography from aerial photographs by multiplex methods Aerial _photographs taken September 1947. Field c.heck 1949 Polyconic projection. 1927 North American qatum
10,000·foot grid based on Colorado. coordinate system, south zone · Land lines unsurveyed in T.45N.-R.19W.and in part of T.46 N,-R.19W.
Land lines omitted in part of T.45N.-R.l8 W. because of insufficient data
· Dashed limd lines indicate approximate location Unchecked elevations are shown in brown
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APPROXIMATE MeAN DECLINATION, 1949 1000UNITED STATES
ATOMIC ENERGY COMMISSION
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CONTOUR INTERVAL 20 FEEl
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.
ANDERSON MESA, COLO.
N3807.5-W 10852.5/7.5