Views in this folder have unknown Copyrights, except the following;
* Pic 4, Roadbed - Credited to Andrew James Harlan in a 1903 book.
* Pic 15, St. Peter's Dome - Credited to William Henry Jackson, and marked Copyright 1901 by Detroit Photographic Co.
* Pic 20, Cripple Creek - Credited to William Edward Hook in a O'er Canon & Crag 1904 book.