GIS: Other Suggested Resources
Using mapping application ArcGIS Online this web service provides satellite and aerial imagery for much of the world. Higher resolution imagery is available for the continental U.S. and parts of Europe. This imagery is not available for download but can be streamed to desktop GIS software for analysis or export.
A data portal which includes geospatial data created by various USDA agencies.
A comprehensive collection of geospatial data, apps and maps from the U.S. Department of Transportation. Use the National Transportation Atlas Database for access to geospatial datasets.
USGS data portal for global remote sensing data from satellite and aerial photography.
U.S. Environmental Protection Agency (EPA) data catalog includes a wide variety of geospatial data.
Geospatial data portal for the New Jersey Office of GIS. A collection of state agency GIS data for the entire state.
Collection of historical aerial photos produced by the predecessor to the U.S. Farm Service Agency, and hosted by the Pennsylvania Geological Survey.
A free, open source, editable map of the world. Users can choose various layers, add notes, and share or export the maps they create.
Federated search platform for U.S. federal government geospatial data. Follow links to Apps & Services/Map Viewer for an interactive map interface for finding geospatial data.