Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
7th congressional district of Indiana, 1972.
- Boundaries of 7th Congressional District of Indiana in 1972 drawn on a copy of Counties and townships map, p. 10 of Kingsbury, Robert C., An atlas of Indiana, 1970. Scale approximately 1:1,825,000.
- Indiana Historic Maps
- Indiana, United States
- Thematic maps
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- Visit Source