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Costilla County
http://www.ccionline.org/counties/costilla.html
County profile and list of elected officials.
Costilla County Colorado Visitors Guide
http://www.slvguide.com/Costilla/
Local area site with business listings, area events and photos.
Costilla County, Colorado GenWeb
http://www.rootsweb.com/~cocostil/main.htm
Costilla County, Colorado genealogy.