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  1. Water Mission Area National Spatial Data Infrastructure Datasets
  2. 1:100,000-scale Counties of the United States

1:100,000-scale Counties of the United States

Dates

Release Date
1993-01-01
Publication Date

Citation

U.S. Dept of Commerce, Bureau of Census, 1993, 1:100,000-scale Counties of the United States: U.S. Geological Survey data release, https://doi.org/10.5066/P9JSVPOQ.

Summary

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This is a coverage of the county boundaries of the conterminous United States (AK, HI and Puerto Rico are available separately). The lines were extracted from U.S. Census TIGER/line files using an AML program (see 4.), written by Doug Nebert and Mark Negri, running on two Data General 6220 servers. Counties Boundaries United States

Contacts

Originator :
U.S. Dept of Commerce, Bureau of Census
Metadata Contact :
U.S. Geological Survey
SDC Data Owner :
Integrated Modeling & Prediction Division
USGS Mission Area :
Water Resources

Attached Files

Click on title to download individual files attached to this item.

county100.xml
Original FGDC Metadata
View 		42.18 KB application/fgdc+xml
county100.e00.zip 281.31 KB application/zip
county100.e00.gz 280 KB application/x-gzip
county100.e00.tgz 15.48 MB application/x-gzip
county100.sdts.tgz 12.07 MB application/x-gzip
county100.gif thumbnail 11.75 KB image/gif

Purpose

This coverage is intended as a basemap for any desired GIS application.
Illlustration of data set
Illlustration of data set

Map

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Communities

  • Model Data Management Function (MDMF)

Tags

Provenance

These data were originally released on the Water Mission Area National Spatial Data Infrastructure Node and were migrated to sciencebase.gov in 2023. These data were released prior to the October 1, 2016 effective date for the USGS's policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9JSVPOQ

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