1. 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
2. 1980 population distribution in the United States Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.?] : For sale by the Supt. of Docs., U.S. G.P.O. Resource Type: Map Access & Availability: Loading