1. Population distribution, urban and rural, in the United States: 1970 Author/Creator: United States. Bureau of the Census Publication/Creation: Washington, D.C. U.S. Government Printing Office, 1973 Resource Type: Map Access & Availability: Loading
2. Congressional districts for the 93rd Congress Author/Creator: United States. Bureau of the Census Publication/Creation: Washington, D.C. : U.S. Govt. Print. Off, 1972 Resource Type: Map Access & Availability: Loading
3. Older Americans by counties of the United States: 1970 Author/Creator: United States. Bureau of the Census Publication/Creation: Washington : U.S. Government Printing Office, 1971 Resource Type: Map Access & Availability: Loading
4. Percent change in size of farms, by counties of the United States, 1940-1964 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: Washington, D.C. : For sale by the Superintendent of Documents, U.S. Government Printing Office., 1970 Resource Type: Map Access & Availability: Loading
5. Percent change in corn yield per acre : by counties of the United States: 1939-1964 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: Washington, D.C. : For sale by the Superintendent of Document, U.S. Government Printing Office, 1970 Resource Type: Map Access & Availability: Loading
6. Percent change in the value of farm products sold per acre of land in farms : by counties of the United States, 1939-1964 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: Washington, D.C. : For sale by the Superintendent of Documents, U.S. Government Printing Office, 1970 Resource Type: Map Access & Availability: Loading
7. Corn yield per acre, by counties of the United States, 1964 Author/Creator: United States. Bureau of the Census. Geography Division, cartographer Publication/Creation: Washington, D.C. : For sale by the Superintendent of Document, U.S. Government Printing Office, 1970 Resource Type: Map Access & Availability: Loading
8. Value of farm products sold per acre of land in farms, by counties of the United States, 1964 Author/Creator: United States. Bureau of the Census, cartographer Publication/Creation: Washington, D.C. : U.S. Government Printing Office, 1970 Resource Type: Map Access & Availability: Loading
9. Size of farms by counties of the United States, 1964 Author/Creator: United States. Bureau of the Census, cartographer Publication/Creation: Washington, D.C. : U.S. Government Printing Office, 1970 Resource Type: Map Access & Availability: Loading