This file contains a record for each county, county equivalent (as defined by the Census Bureau), SMSA county segment and SPLC county segment in the U.S. A record identifies for an area all major county codes and the associated county aggregate codes
This file contains a record for each county, county equivalent (as defined by the Census Bureau), SMSA county segment and SPLC county segment in the U...
This file contains a record for each county, county equivalent (as defined by the Census Bureau), SMSA county segment and SPLC county segment in the U...
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United States Department of Transportation
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