S.W. Colorado, San Juan mining region : atlas sheet no. 61(C)
Sheet no. 61(C) from Wheeler's Geographical exploration and surveys west of the 100th meridian topographical atlas.; Relief shown by contours, hachures, and spot heights.; Expeditions of 1874 and 1875 under the command of 1st Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army--Margin.; 1st Lieut. W.L. Marshall, Corps of Engineers, U.S. Army, Executive Office and Field Astronomer--Margin.; Louis Nell, J.C. Spiller, topographical assistants--Margin.; Louis Nell, Del.--Margin.
37 x 49 centimeters, on sheet 49 x 62 centimeters
Scale 1:126,720; 1 inch to 2 miles
General Map Collection
Geographical Surveys West of the 100th Meridian (U.S.)
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