GIS: Other Suggested Resources

January 11, 2017

Penn Pilot

Collection of historical aerial photos produced by the predecessor to the U.S. Farm Service Agency, and hosted by the Pennsylvania Geological Survey.

January 11, 2017


A free, open source, editable map of the world. Users can choose various layers, add notes, and share or export the maps they create.

January 11, 2017

Natural Earth

A source for free vector and raster data including cultural and physical features as well as elevation and bathymetric basemaps.

January 11, 2017

The National Map

The United States Geological Survey’s (USGS) geospatial data and maps website. Use the TNM Download Client a map interface for discovering and downloading geospatial data.

February 11, 2015


Full-text of scholarly journals in geology integrated with GeoRef, an index of geological literature.

November 25, 2013

U.S. National Atlas GIS Data

Download zipped geospatial data files from the National Atlas in both shapefile and KML formats. Coverage includes a wide variety of cultural and natural features.

November 26, 2012

Geospatial Platform

Launched by the Federal Geographic Data Committee, the Geospatial Platform provides access to federally maintained and trusted geospatial data, services, and applications for sharing and use.

November 1, 2011

Food Environment Atlas

Create and save maps illustrating 168 indicators on the food environment covering food choices, health and well-being, and community characteristics in U.S. states or counties. Indicators include store/restaurant proximity, food prices, and food and nutrition assistance programs. Data is drawn from numerous sources including the Decennial Census, County Business Patterns, and Behavioral Risk Factor Surveillance System.

November 1, 2011

Atlas of Rural and Small-Town America

Create and save maps illustrating over 60 socioeconomic indicators on people, jobs, agriculture and other county data. Sources include the American Community Survey, economic reports from the Bureau of Labor Statistics and the latest Census of Agriculture. You may also download your data into a spreadsheet for use in Excel or other statistical software.

August 2, 2010

Atlas of Historical County Boundaries

"Presents in maps and text complete data about the creation and all subsequent changes (dated to the day) in the size, shape, and location of every county in the fifty United States and the District of Columbia." Available as interactive maps and shapefiles that can be downloaded for use with GIS software.


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