MapGrand Canyon of the Colorado. Available also through the Library of Congress Web site as a raster image. Grand Canyon Tour, map no. 2.
- Contributor: Underwood & Underwood
- Date: 1904
MapGrand Canyon National Monument within Grand Canyon National Forest Arizona. Available also through the Library of Congress web site as a raster image.
- Contributor: United States. National Forest Service
- Date: 1908