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The National Geologic Map Database
An online GIS map depicting the geology of the United States with links to archives and collections of downloadable data regarding the geology of the United States. The map and... -
SONRIS
DNR has undergone a project to re-engineer and redesign its information systems for all offices of the department. Specifically, DNR has implemented Strategic Online Natural... -
Open Source GIS Software
Open source GIS software available for download -
Pennsylvania Spatial Data: Allegheny County - Soils
From the site: "Data was created to portray the soils in Allegheny County." -
EAGLE-I energy infrastructure tool
EAGLE-I, an interactive geographic information system (GIS) that allows users to view and map the nation's energy infrastructure and obtain near real-time informational updates... -
Geoscience Australia
A division of the Australian Government. This page provides free downloadable geophysical data for Australia. -
GIS News and Blogs
News and blogs related to GIS -
New York State GIS Clearinghouse
Collection of links to various forms of spatial data for New York State and other areas; includes Digital Elevation Models, Digital Line Graphs, Geologic Maps, water/hydrology... -
PA Oil and Gas Mapping
GIS map of hydrocarbon production and other features in Pennsylvania -
Appalachian Basin Provisional Database GIS Data
Downloadable GIS data about various basin fields. Website states: " This website report brings together abundant current and existing datasets and concepts in a common and... -
Coastal and Marine Geology Program GIS Publications
The following is a list of publications, in chronological order, containing GIS data that are being served by the USGS, Coastal and Marine Geology Program Internet Map Server... -
USGS Online Publications Directory - Coal Fields Map
Coal Fields of the Conterminous United States: National Coal Resource Assessment Updated Version; includes GISzip and metadata downloads. -
The National Map Viewer
A national interactive map viewer with spatial information compiled by the USGS. US Topography, Geographic Names, Structures, Transportation, Governmental Unit Boundaries, Map... -
Virginia Hydrologic Unit Explorer
Interactive GIS map of Virginia's hydrologic features. -
USGS Energy Data Finder
Our collection of data is primarily GIS and geospatially oriented but our tool will help you find other assets including databases, applications and much more. With the new... -
Nonindigenous Aquatic Species Database Asian Tiger Shrimp
The Nonindigenous Aquatic Species Database (NAS) information resource is an established central repository for spatially referenced biogeographic accounts of introduced aquatic... -
Nonindigenous Aquatic Species Database Marine Fishes
The Nonindigenous Aquatic Species Database (NAS) information resource is an established central repository for spatially referenced biogeographic accounts of introduced aquatic...