Tour of Colorado Plateau Geology
Lists national parks that have a common geologic theme and links to pages about each park's geologic features.
www.aqd.nps.gov/grd/tour/cplateau.htm
Southwest Ghost Hunters Association
Providing research and evidence of paranormal activity. Includes pictures, videos, member information, and more.
www.sgha.net
Plants
Exotic and Invasive Species on the Colorado Plateau
Discusses the introduction of saltcedar and cheatgrass, two of the most prevalent and problematic exotics in the region.
www.cpluhna.nau.edu/Biota/invasive_exotics.htm
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