CREDITS

Design by Brittain McNeel
Music by Keith Keniff

SOURCES

U.S. Census Bureau, Population Estimates and Population Distribution Branches. (1982). Preliminary estimates of the intercensal population of counties 1970-1979.

U.S. Census Bureau, Population Estimates and Population Distribution Branches. (1992). Intercensal estimates of the resident population of states and counties 1980-1989.

U.S. Census Bureau, Population Estimates Program, Population Division. (2000). County population estimates for July 1, 1999 and population change for april 1, 1990 to july 1, 1999.

U.S. Census Bureau, Population Estimates Program, Population Division. (2011). Intercensal estimates of the resident population for counties: April 1, 2000 to July 1, 2010.