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  2. Topologically Integrated Geographic Encoding and Referencing

    en.wikipedia.org/wiki/Topologically_Integrated...

    TIGER data published through February 2007 (2006 Second Edition) were in a custom text-based format formally known as TIGER/Line files. In 2008, data in shapefile format was published. Please note that shapefiles are not topological, therefore may create slivers when comparing TIGER/Line boundaries.

  3. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...

  4. Libre Map Project - Wikipedia

    en.wikipedia.org/wiki/Libre_Map_Project

    The Libre Map Project is an online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. History [ edit ]

  5. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    Digital line graph (DLG) – a USGS format for vector data; TIGER – Topologically Integrated Geographic Encoding and Referencing; Vector Product Format (VPF) – National Geospatial-Intelligence Agency (NGA)'s format of vectored data for large geographic databases; Spatial Data File – Autodesk's high-performance geodatabase format, native ...

  6. Amsterdam Township, Hancock County, Iowa - Wikipedia

    en.wikipedia.org/wiki/Amsterdam_Township...

    Download as PDF; Printable version; ... United States Census Bureau 2008 TIGER/Line Shapefiles; ... By using this site, ...

  7. Dry Fork Township, Carroll County, Arkansas - Wikipedia

    en.wikipedia.org/wiki/Dry_Fork_Township,_Carroll...

    Download QR code; Print/export Download as PDF; ... United States Census Bureau 2008 TIGER/Line Shapefiles; United States Board on Geographic Names (GNIS)

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  9. Clay Township, Owen County, Indiana - Wikipedia

    en.wikipedia.org/wiki/Clay_Township,_Owen_County...

    United States Census Bureau 2009 TIGER/Line Shapefiles IndianaMap ^ a b "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1" .