All photos are from the USGS Photographic Library. These photos are public domain.

Unaweep Canyon Colorado Photo by Stan Lohman

Devils Tower Wyoming Photo by F. W. Osterwald

Columbines Photo by Paul Carrara

Druid Arch Utah Photo by Stan Lohman

Agua Canyon Utah Photo by Stan Lohman

-- More Photos -->

URL http://geology.cr.usgs.gov/crg/gallery1.htm