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  1. Title: United States County Boundary Files, 1820

    Contributors:

    Summary: The Historical United States County Boundary Files 1820 contains ArcView shapefile format U.S. county boundary files for 1820. Files include county and state names and FIPS identification numbers.

  2. Title: United States County Boundary Files, 1890

    Contributors:

    Summary: The Historical United States County Boundary Files 1890 contains ArcView shapefile format U.S. county boundary files for 1890. Files include county and state names and FIPS identification numbers.

  3. Title: United States County Boundary Files, 1960

    Contributors:

    Summary: The Historical United States County Boundary Files 1960 contains ArcView shapefile format U.S. county boundary files for 1960. Files include county and state names and FIPS identification numbers.

  4. Title: United States County Boundary Files, 1800

    Contributors:

    Summary: The Historical United States County Boundary Files 1800 contains ArcView shapefile format U.S. county boundary files for 1800. Files include county and state names and FIPS identification numbers.

  5. Title: United States County Boundary Files, 1790

    Contributors:

    Summary: The Historical United States County Boundary Files 1790 contains ArcView shapefile format U.S. county boundary files for 1790. Files include county and state names and FIPS identification numbers.

  6. Title: United States County Boundary Files, 1860

    Contributors:

    Summary: The Historical United States County Boundary Files 1860 contains ArcView shapefile format U.S. county boundary files for 1860. Files include county and state names and FIPS identification numbers.

  7. Title: United States County Boundary Files, 1900

    Contributors:

    Summary: The Historical United States County Boundary Files 1900 contains ArcView shapefile format U.S. county boundary files for 1900. Files include county and state names and FIPS identification numbers.

  8. Title: United States County Boundary Files, 1930

    Contributors:

    Summary: The Historical United States County Boundary Files 1930 contains ArcView shapefile format U.S. county boundary files for 1930. Files include county and state names and FIPS identification numbers.

  9. Title: United States County Boundary Files, 1940

    Contributors:

    Summary: The Historical United States County Boundary Files 1940 contains ArcView shapefile format U.S. county boundary files for 1940. Files include county and state names and FIPS identification numbers.

  10. Title: United States County Boundary Files, 1850

    Contributors:

    Summary: The Historical United States County Boundary Files 1850 contains ArcView shapefile format U.S. county boundary files for 1850. Files include county and state names and FIPS identification numbers.

  11. Title: United States County Boundary Files, 1870

    Contributors:

    Summary: The Historical United States County Boundary Files 1870 contains ArcView shapefile format U.S. county boundary files for 1870. Files include county and state names and FIPS identification numbers.

  12. Title: United States County Boundary Files, 1980

    Contributors:

    Summary: The Historical United States County Boundary Files 1980 contains ArcView shapefile format U.S. county boundary files for 1980. Files include county and state names and FIPS identification numbers.

  13. Title: United States County Boundary Files, 1880

    Contributors:

    Summary: The Historical United States County Boundary Files 1880 contains ArcView shapefile format U.S. county boundary files for 1880. Files include county and state names and FIPS identification numbers.

  14. Title: Maryland County Boundary FIles, 1890-1910

    Contributors:

    Summary: This shapefile contains county boundaries for Maryland for the years 1980-1910. The Historical United States County Boundary Files 1790 - 1999 (or HUSCO 1790 - 1999) contains ArcView shapefile format U.S. county boundary files for each decade from 1790 through 1990 (also 1999). Files include county and state names and FIPS identification numbers.

  15. Title: United States County Boundary Files, 1970

    Contributors:

    Summary: The Historical United States County Boundary Files 1970 contains ArcView shapefile format U.S. county boundary files for 1970. Files include county and state names and FIPS identification numbers.

  16. Title: United States County Boundary Files, 1840

    Contributors:

    Summary: The Historical United States County Boundary Files 1840 contains ArcView shapefile format U.S. county boundary files for 1840. Files include county and state names and FIPS identification numbers.

  17. Title: United States County Boundary Files, 1910

    Contributors:

    Summary: The Historical United States County Boundary Files 1910 contains ArcView shapefile format U.S. county boundary files for 1910. Files include county and state names and FIPS identification numbers.

  18. Title: United States County Boundary Files, 1810

    Contributors:

    Summary: The Historical United States County Boundary Files 1810 contains ArcView shapefile format U.S. county boundary files for 1810. Files include county and state names and FIPS identification numbers.

  19. Title: United States County Boundary Files, 1830

    Contributors:

    Summary: The Historical United States County Boundary Files 1830 contains ArcView shapefile format U.S. county boundary files for 1830. Files include county and state names and FIPS identification numbers.

  20. Title: United States County Boundary Files, 1999

    Contributors:

    Summary: The Historical United States County Boundary Files 1999 contains ArcView shapefile format U.S. county boundary files for 1999. Files include county and state names and FIPS identification numbers.

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