No. 80. Public domain photograph of 19th-century stereoscopic card, landscape, free to use, no copyright restrictions image - Picryl description
Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Detroit Publishing Co. no. 011502. Gift; State Historical Society of Colorado; 1949.
Detroit Publishing Co. no. 012109. Gift; State Historical Society of Colorado; 1949.
Historic Sites Public domain photograph - photochrome print, colorized, free to use, no copyright restrictions image - Picryl description
In album prepared by Detroit Photographic Co. to use as a catalog in its office. Detroit Publishing Co., no. 53584. Gift; State Historical Society of Colorado; 1955.