The Historical United States County Boundary Files (HUSCO) CD contains ArcView shapefile format county boundary files for the contiguous United States for each decade from 1790 through 1990 (also 1999). Files include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included.
PC or compatible, with Windows
$150 plus $5 shipping and handling.
© 1991, 1996, 1999 Carville