File:United States House Of Representatives, Iowa District 1 Map.png
A map of United States House of Representatives, Iowa District 1.
The map is from nationalatlas.gov, specifically IA01_109.gif.
This map was obtained from an edition of the National Atlas of the United States. Like almost all works of the U.S. federal government, works from the National Atlas are in the public domain in the United States.
Online access: NationalAtlas.gov | 1970 print edition: Library of Congress, Perry-Castañeda Library
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