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Revised Geologic Map of the Fort Garland Quadrangle, Colorado

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Revised Geologic Map of the Fort Garland Quadrangle, Costilla County, Colorado By Alan R. Wallace and Michael N. Machette The map area includes Fort Garland, Colo., and the surrounding area. The primary geologic hazards in the map area are from earthquakes, landslides, and localized flooding. The Central Sangre de Cristo fault zone shows evidence for latest Pleistocene to possible early Holocene movement. The landslides may have seismogenic origins; that is, they may be stimulated by strong ground shaking during large earthquakes. This revised geologic map is based on previous mapping by Wallace (1997) and new mapping, primarily of the Quaternary deposits, by Machette.

The link address is: http://pubs.usgs.gov/sim/2965/

Created by kvaloris
Last modified 06-11-2008 12:07