File:PRR C1 6560.jpg

It is believed that the use of these materials

• for educational purposes, in articles relating to the subject of the photograph,
• where the resolution used is insufficient for print use and thus does not materially harm the licensing of these images for publication, and
• where no free alternative is available,
• on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under the copyright law of the United States. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.

Additionally, permission may have been received to place this image on Wikipedia, but the terms of the permission would not include third party use. If this is the case, the permission will be noted below.

Use that does not fall under fair use may require the permission of the Denver Public Library.
Fair use //en.wikipedia.org/wiki/File:PRR_C1_6560.jpg