Click here to see a collection of historic images of Glen Canyon taken by the Powell Expedition of 1872. Website images include both standard photograph and 3D views (as anaglyphs - requiring red-and-cyan 3D viewing glasses).

Click here to take a tour of Glen Canyon below Glen Canyon Dam (3D or standard photography)

This view shows cliffs of Navajo Sandstone along the Colorado about midway through Glen Canyon (before the valley was flooded by Lake Powell).

To learn more about Glen Canyon National Recreation Area check out the National Park Service Website at: http://www.nps.gov/glca/.

Generalized stratigraphy after: Anderson, P.P., Chisey, T.C., Sprinkel, D.A., and Willis, GC., 2000, Geology of Glen Canyon Nation Recreation Area: In Geology of Utah's Parks and Monuments, Sprinkel, D.A., Chidsey, T.C., and Anderson, P.B., eds., Utah Geological Association Publication 28., p. 301-335.

Stratigraphic unit information is modified from the USGS GeoLex (Lexicon of Geology): http://ngmdb.usgs.gov/Geolex/geolex_qs.html.

A generalized geologic time scale is available at: http://3dparks.wr.usgs.gov/coloradoplateau/timescale.htm.

U.S. Department of the Interior - U.S. Geological Survey - Geology Discipline
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Last modified: 5/6/2006