Relief shown by contours and spot heights. Surveyed in 1905 and 1906. Includes 8 geologic sections, area map, chart of analyses and testing, and legend. Map is 93 x 88 cm.
Relief shown by contours, land forms and spot heights. Oriented with north to the upper left. Includes 2 profiles of sections. Surveyed in 1908 under the direction of Alfred H. Brooks. "Bulletin 525, plate XI." In color. Mounted on linen. 41 x...