1. 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
2. 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
3. Metropolitan areas (MSAs, CMSAs, and PMSAs) June 30, 1990 Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.] : The Bureau : For sale by the Supt. of Docs., U.S. G.P.O., 1990 Resource Type: Map Access & Availability: Loading
4. Metropolitan areas (MSAs, CMSAs, and PMSAs), June 30, 1993 Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.] : The Bureau : For sale by the U.S. G.P.O., Supt. of Docs., [1994?] Resource Type: Map Access & Availability: Loading
5. Metropolitan statistical areas : (CMSAs, PMSAs, and MSAs) June 30, 1989 Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.] : The Bureau : For sale by the Supt. of Docs., U.S. G.P.O., [1989] Resource Type: Map Access & Availability: Loading