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Mesa Verde National ParkEvidence of fire damage near archeological sites.
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Mesa Verde National Park
Post Fire New Site Survey
View of Spruce Tree House cliff dwelling with red slurry on mesa top above site.
NPS Photo
Spruce Tree House after the Long Mesa Fire of 2002. Fire retardant dropped during suppression efforts stained the sandstone above the alcove.
 

As a result of recent large wildfires, Post-Fire Site Survey projects have occurred 10 out of the past 12 years. A total of 682 new archeological sites were discovered and recorded during the surveys. Archeologists have discovered that the Ancestral Puebloans were even more successful farmers than originally believed. Post-fire surveys have led to the recordation of many more check dams and water control features than in previous surveys. These features typically consist of retaining walls placed on slopes in order to direct water to catchment features or to agricultural plots.

After each wildfire, teams of archeologists survey the fire areas and assess, document, and treat previously recorded and newly discovered sites. Treatment methods include reseeding to promote vegetation growth, placement of erosion control features such as log diverters to direct water away from sites, and the installation of silicone driplines in cliff dwellings.

For more information on how past wildfires have affected the park’s cultural resources and the archeological response, go to Archeology and Fire. (pdf, 244 kb)

 

 
Images of vessel discovered after fire, and matting used to protect sites from erosion.
NPS Photo
Left: An intact vessel discovered after the Pony Fire of 2000. Right: Natural matting was used to slow soil and water erosion and to promote re-vegetation.
 
Fire damaged Mushroom House, and the application of silicone driplines to prevent further damage from water runoff.
NPS Photo
Left: Mushroom House was severely impacted by the 2000 Pony Fire. Right: Silicone driplines were used to direct water away from the standing architecture and archeological features.
Mesa top pueblo at Far View Sites Complex  

Did You Know?
Approximately 600 of the over 4700 archeological sites found in Mesa Verde National Park are cliff dwellings. Other sites include mesa top pueblos, farming terraces, towers, reservoirs, and check dams.

Last Updated: November 04, 2008 at 17:31 EST