1913. George, Russell D., 1866-. Printed on linen-faced paper. 92 x 126 centimeters Scale 1:500,000; 1 inch = approximately 8 miles General Map Collection. Colorado State Geological Survey (Boulder, Colorado).
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1913. George, Russell D., 1866-. Relief shown by contours and gradient tints.; Includes diagr. showing relation of Colorado to International map of the world and insets of "Canon C... Colorado State Geological Survey (Boulder, Colo).