"State, county, and their statistically equivalent boundaries are as of January 1, 1998." Shipping list no.: 2000-0019-S. Includes lists of U.S. Senate and U.S. House of Representative membership by state and district location on map. Insets: [Alaska] Scale 1:15,000,000 -- [Hawaii] Scale 1:5,000,000. Ancillary maps: Guam -- American Samoa -- Puerto Rico and U.S. Virgin Islands.