Rand, McNally & Co.'s map of the northern portion of the Blac...
Rand, McNally & Co.'s new map of the Black Hills | New map of the Black Hills | Map of the northern portion of the Black Hills
Relief shown in hachures. "The survey was made ... by Maj. Geo. Henckel." Includes seven illustrations. Includes index to "gold-bearing quartz lodes" and "silver-bearing lodes"; all are in South Dakota. Available also through the Library of Congress Web site as a raster image.
Rand McNally and Company - Henckel, George