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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. List of spatial analysis software - Wikipedia

   en.wikipedia.org/wiki/List_of_spatial_analysis...

   Linux, MAC OS, Windows: CASA: CASA website for GMap Creator: Web Mapping Thematic mapping. Creates image pictures from shapefiles and creates Google Maps websites with the data linked to the shapefile - Freeware: QGIS: yes Linux, MAC OS, Windows: QGIS Development Team qgis.org: Visualization Easy to use, ability to expand functionality with ...

5. QGIS - Wikipedia

   en.wikipedia.org/wiki/QGIS

   QGIS supports shapefiles, personal geodatabases, dxf, MapInfo, PostGIS, and other industry-standard formats. [5] Web services, including Web Map Service and Web Feature Service, are also supported to allow use of data from external sources. [6] QGIS integrates with other open-source GIS packages, including PostGIS, GRASS GIS, SAGA GIS, and ...

6. Download, install, or uninstall AOL Desktop Gold - AOL Help

   help.aol.com/articles/aol-desktop-downloading...

   1. Search your inbox for the subject line 'Get Started with AOL Desktop Gold'. 2. Open the email. 3. Click Download AOL Desktop Gold or Update Now. 4. Navigate to your Downloads folder and click Save. 5. Follow the installation steps listed below.

7. Gretchen Walsh takes her swimming world records tally to 7 ...

   www.aol.com/gretchen-walsh-takes-her-swimming...

   American swimmer Gretchen Walsh set three more world records on Friday at the world short course championships. In the morning heats, Walsh broke Canadian Margaret Mac Neil's mark of 54.05 from ...