County Boundaries of the United States, 1980 - Big Ten Academic Alliance Geoportal

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County Boundaries of the United States, 1980

Geological Survey (U.S.) · 1980 Full Details

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Title: County Boundaries of the United States, 1980
Description: This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extracting county polygon features from the individual 1:2,000,000-scale State boundary Digital Line Graph (DLG) files produced by the U.S. Geological Survey. These files were then merged into a single file and the boundaries were modified to what they were in 1980. This is a revised version of the November 2004 map layer. This layer is part of the 1997-2014 edition of the National Atlas of the United States., These data are intended for geographic display and analysis at the national level, and for large regional areas. The data should be displayed and analyzed at scales appropriate for 1:2,000,000-scale data. No responsibility is assumed by the National Atlas of the United States in the use of these data., None. Acknowledgment of the National Atlas of the United States of America would be appreciated in products derived from these data., This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator: Geological Survey (U.S.)
Publisher: Geological Survey (U.S.)
Subject: Administrative and political divisions, Counties, Boundaries
Temporal Coverage: 1980
Date Issued: 2005
Rights: This item is in the public domain. There are no restrictions on use.
Rights Holder: This work is in the Public Domain, meaning that it is not subject to copyright.
Access Rights: Public
Format: Shapefile
Language: English
Date Added: October 01, 2025

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Geological Survey (U.S.) (2005). County Boundaries of the United States, 1980. Geological Survey (U.S.). https://purl.stanford.edu/sm626yc8150 (dataset)
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