GIS Data

Geofacets offers over 1.5 million maps, figures and tables sourced from scientific publications covering a wide spectrum of Geoscience disciplines. Search and extract geologic maps, sections, and tables from the literature using an interactive map-based interface, with links to full text available. Maps, figures, and tables can be exported into software such as ArcGIS, Powerpoint, Excel, and Google Earth.

This site highlights data that can be freely used, re-used and redistributed by anyone.

Before this archive became available, the Oak Ridge Laboratory would only let the current year's LandScan data be available. This archive allows researchers to look at population data for the last 10 years.

The GIS Guide to Public Domain Data gives users of geographic information systems (GIS) relevant information about the sources and quality of available public domain spatial data. Readers will understand how to find, evaluate, and analyze data to solve location-based problems.

Lining Up Data in ArcGIS: A Guide to Map Projections is an easy-to-navigate troubleshooting reference for any GIS user with the common problem of data misalignment. Complete with full-color maps and diagrams, this book presents practical techniques on how to identify data projections, create custom projections to align data, and solve common data alignment problems.