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Business and Economy
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Science and Environment
Amphibians and Reptiles in Frio County, Butterflies of Frio County, Texas, Moths of Frio County, Texas
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Society and Culture
Genealogy, Frio Co. Genealogy, The Political Graveyard: Frio County
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Frio County QuickFacts from the US Census Bureau
http://quickfacts.census.gov/cgi-bin/county?cnty=48163
Population, demographic, and housing information from the 1990 census. Link to Tiger map of the county.
Handbook of Texas Online
http://www.tsha.utexas.edu/handbook/online/articles/view/FF/hcf10.html
Current and historical information about Frio County.
YB Lost - Frio County, Texas
http://members.tripod.com/proagency/friocounty.html
Provides names and addresses of county public officials and departments.