REFINE
Browse All : Geology and State Atlas by Wilson, J.D. and Department of The Interior. United States Geological and Geographical Surveys of the Territories.
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Author
Hayden, F.V.
Full Title
Triangulation Map of Colorado. By J.T. Gardner and A.D. Wilson. Department of the Interior, U.S. Geological and Geographical Survey of the Territories, F.V. Hayden, U.S. Geologist in Charge. Sheet I.
List No
4576.001
Note
Map without color. Map shows lines radiating from the many spots used for triangulation measurements. Railroad lines are also shown.
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