NYU Spatial Data Repository

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1. County Boundaries of the United States, 1980

1980. Geological Survey (U.S.). 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 ... Geological Survey (U.S.).

2. National Waterway Network

1980. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States...

3. National Waterway Network Nodes

1980. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States...

4. SEDAC 1980 Census Blocks

1980. This dataset contains the census blocks from the United States Decennial Census of 1980. The data were derived from the TigerLine 1992 release. In ...