- Terapa, Sonora fossil site with narrative by Drs. Paul Martin and Jim Mead
- https://www.youtube.com/watch?v=E2BV1oGBxX
- Mountain Ranges in the Tucson Area photos by Peter L. Kresan
http://www.geo.arizona.edu/Tucson/image_archive/mountains/mountains.html
Photography
- Great Horned Owl Family Video 2022, Tucson, AZ
- https://www.youtube.com/watch?v=KclAe36J_A0
- Tucson Weekly review of The Small Works art exhibition at Davis Dominguez Gallery, 2005. Best Figure in a Landscape: photo by Peter Kresan
http://www.tucsonweekly.com/gbase/arts/Content?oid=oid:6989 - Deserts: Geology and Resources, USGS online edition includes photos of deserts by Peter L. Kresan
http://pubs.usgs.gov/gip/deserts/ - 1983 Flood in Tucson, Arizona photos by Peter L. Kresan
http://www.geo.arizona.edu/Tucson/image_archive/flood83/flood83.html - Mountain Ranges in the Tucson Area photos by Peter L. Kresan
http://www.geo.arizona.edu/Tucson/image_archive/mountains/mountains.html - Review of the PBS The Desert Speaks TV program on the Mojave Desert.
http://desertusa.com/mag02/apr/mojave.html