Supplemental U.S. 2000 Census Tract Boundaries for 13 Western States without Seer Registries for 'SeerMapper'

Provides supplemental 2000 census tract boundaries for the 13 states without Seer Registries that are west of the Mississippi river for use with the 'SeerMapper' package. The data contained in this package is derived from U.S. 2000 Census data and is in the public domain. Updated to Alber Equal Area projection.