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1. Title: Historical United States County Boundaries, 1970

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1970. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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2. Title: Historical United States County Boundaries, 1810

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1810. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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3. Title: Historical United States County Boundaries, 1990

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1990. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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4. Title: Historical United States County Boundaries, 1850

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1850. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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5. Title: Historical United States County Boundaries, 1900

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1900. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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6. Title: Historical United States County Boundaries, 1980

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1980. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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7. Title: Historical United States County Boundaries, 1860

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1860. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

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8. Title: Historical United States County Boundaries, 1910

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1910. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

   View full record

9. Title: Historical United States County Boundaries, 1940

   • Polygon data
   • 1999

   Contributors:

   • Earle, Carville
   • Heppen, John
   • Otterstrom, Samuel
   • Cao, Changyong
   • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

   Summary: This polygon shapefile contains county boundaries for the United States in 1940. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

   View full record

10. Title: Historical United States County Boundaries, 1880

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1880. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

11. Title: Historical United States County Boundaries, 1920

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1920. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

12. Title: Historical United States County Boundaries, 1820

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1820. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

13. Title: Historical United States County Boundaries, 1830

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1830. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

14. Title: Historical United States County Boundaries, 1960

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1960. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

15. Title: Historical United States County Boundaries, 1950

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1950. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

16. Title: Historical United States County Boundaries, 1870

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1870. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

17. Title: Historical United States County Boundaries, 1800

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1800. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

18. Title: Historical United States County Boundaries, 1890

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1890. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

19. Title: Historical United States County Boundaries, 1930

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1930. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record

20. Title: Historical United States County Boundaries, 1840

    • Polygon data
    • 1999

    Contributors:

    • Earle, Carville
    • Heppen, John
    • Otterstrom, Samuel
    • Cao, Changyong
    • Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology

    Summary: This polygon shapefile contains county boundaries for the United States in 1840. Attributes include county and state names as well as FIPS identification numbers and county area estimates. Territories enumerated by the U.S. Census are also included. This layer is part of a collection of historical United States county boundary files (HUSCO), from each decade ranging from 1790-1999. This layer is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production. Earle, Carville, Changyong Cao, John Heppen, and Samuel Otterstrom. 1999. The Historical United States County Boundary Files 1790-1999. Geoscience Publications. Louisiana State University

    View full record