41. Employment in manufacturing, 1982 : distribution by county Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.?] : Geography Division, [1985?] Resource Type: Map Access & Availability: Loading
42. 1980 population distribution in the United States Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington] : For sale by the Supt. of Docs., U.S. G.P.O. Resource Type: Map Access & Availability: Loading
43. Congressional districts of the 99th Congress of the United States (January 1985 to January 1987) Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.] : Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O., 1984 Resource Type: Map Access & Availability: Loading