Reconnoissance map of the United States showing the distribution of the geologic system so far as known
Description
Relief shown by contour lines. In upper border: U.S. Geological Survey. Fourteenth annual report, pl. II. Shows Indian reservations. Includes legend. Scale approximately 1:7,000,000. Compiled from data in possession of the U.S. Geological Survey by W.J. McGee, 1893.
Bien, Julius, 1826-1909, McGee, W J, 1853-1912 (1893). Reconnoissance map of the United States showing the distribution of the geologic system so far as known. United States Geological Survey. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00861 (map)