U.S. Geological Survey Photographic Library

ID. Jackson, W.H. 1688

The Upper Twin Lake. Lake Couty, Colorado. 1875. Published as figure 52 in New Mexico University Press. Second View Rephotogrphic Survey Project. Copyrighted 1984.

The Upper Twin Lake. Lake Couty, Colorado. 1875. Published as figure 52 in New Mexico University Press. Second View Rephotogrphic Survey Project. Copyrighted 1984.

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