Tower Mountain, opposite Howardsville, Bakers Park. San Juan County, Colorado. 1874.

Album caption and index card: Tower Mountain, opposite Howardsville, Bakers Park. Upon its nearby perpendicular fact of 3,000 feet are exposed a number of quartz veins, traversing its whole length. The one cutting down diagonally from the left is the Mammoth lode. Most of the others are claimed as mineral-bearing veins. San Juan County, Colorado. 1874. Descriptive Catalog of the Photographs of the United States Geological Survey of the Territories, W. H. Jackson, Photographer, Second Edition, Illustrated, 1874 Series, page 69, No. 139: Tower Mountain, opposite Howardsville, Bakers Park. Upon its nearby perpendicular fact of 3,000 feet are exposed a number of quartz veins, traversing its whole length. The one cutting down diagonally [...]