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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

   U.S. Gazetteer, TIGER/Line shapefiles, census data. National Historical Geographic Information System: NHGIS provides free of charge, aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2012. Atlas of Historical County Boundaries Project (AHCBP)

4. 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 ...

5. Libre Map Project - Wikipedia

   en.wikipedia.org/wiki/Libre_Map_Project

   Additional data made available through the project includes SVG boundary files for every US state, Topologically Integrated Geographic Encoding and Referencing (Tiger)/Line 2003 vector map data, and the USGS GeoNames database. [4]

6. FIPS county code - Wikipedia

   en.wikipedia.org/wiki/FIPS_county_code

   The Federal Information Processing Standard Publication 6-4 (FIPS 6-4) is a five-digit Federal Information Processing Standards code which uniquely identified counties and county equivalents in the United States, certain U.S. possessions, and certain freely associated states.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Assisted living options for wheelchair users - AOL

   www.aol.com/assisted-living-options-wheelchair...

   Bottom Line. Assisted living can be an ideal option for many wheelchair users. The ADA allows facilities to be accessible for all residents. Personal care services and transportation are just some ...

9. Shapefile - Wikipedia

   en.wikipedia.org/wiki/Shapefile

   The shapefile format is a geospatial vector data format for geographic information system (GIS) software. It is developed and regulated by Esri as a mostly open specification for data interoperability among Esri and other GIS software products . [ 1 ]