Judge abraham hi-res stock... www.alamy.com

A Gathering of Grand Canyon... www.riverguides.org

Judge abraham hi-res stock... www.alamy.com

Judge abraham hi-res stock... www.alamy.com

Western Association of Map... waml.org

pg46543.cover.medium.jpg www.gutenberg.org

Western Association of Map... waml.org

The Billboard 1914-10-24:... archive.org

Importance, preservation... www.fs.usda.gov

History of Yates county, N.... archive.org

ProQuest Dissertations -... www.yumpu.com

Judge abraham hi-res stock... www.alamy.com

Federal Register... upload.wikimedia.org

Federal Register... upload.wikimedia.org

Expedition 59 hi-res stock... www.alamy.com

A Gathering of Grand Canyon... www.riverguides.org

History of Yates county, N.... archive.org

Federal Register... upload.wikimedia.org

Importance, preservation... www.fs.usda.gov

Expedition 59 hi-res stock... www.alamy.com