Geographic Information System Links
- Geographic Information Systems
- Bureau of Transportation Statistics Geographic Information Services
A national resource for transportation spatial data and analysis.
- Conservation / Geography from ESRI
The ESRI Conservation Program Website
- Conservation GeoPortal
Discover and Publish Conservation Maps & Data. A service of The Conservation Commons.
- eMap PA
PA DEP’s Online web based mapping application has been developed to display PA DEP Data and more.
- Environmental Protection Agency: My Environment
The MyEnvironment search application is designed to provide a cross-section of environmental information based on the user’s location. Specific results will be displayed in a map based on 4 categories: MyAir, MyHealth, MyLand, MyWater & MyEcological
- Environmental Protection Agency: Surf Your Watershed
Surf Your Watershed contains several EPA water related GIS databases
- Geo Community Data
Free and pay-per-download data
- Geospatial Onestop
Geospatial Onestop is part of a presidential mandate supporting the E-Government initiative administered through the Department of the Interior. It is a compilation of geospatial data from around the world and seeks to standardize geospatial data acquisit
- GIS Education From ESRI
Online or distance learning programs in GIS; Some resources to check out
- Maine Office of GIS (MEGIS)
Maine Office of GIS
A land mapping software leader
- Mid-Atlantic Chapter of the Urban and Regional Information Systems Association (MACURISA)
Mid-Atlantic Chapter of the Urban and Regional Information Systems Association
- National Atlas
The National Atlas of the United StatesÃ‚Â® is intended to provide a comprehensive, map-like view into the enormous wealth of data collected by the Federal Government.
- National Geographic MapMaker Interactive
Find nearly any place on Earth, and view it by population, climate, and much more. Plus, browse antique maps, find country facts, or plan your next outdoor adventure with our trail maps.
- New York State GIS Clearinghouse
New York State GIS Clearinghouse
- PA Magic
Pennsylvania Mapping and Geographic Information Consortium
PA Spatial Data Access Geospatial Data Clearinghouse out of PSU
- Terra Server
One of the world’s largest online databases, providing free public access to a vast data store of maps and aerial photographs of the United States.
- Texas A&M Geoservices
List of free online geocoders
Technical Information Processing System for the Office Of Surface Mining. TIPS provides specialized hardware, scientific software, customized software training, and technical assistance to its user community. TIPS helps strengthen the capabilities of Sta
TopoZone is the Web’s center for professional and recreational map users.
- West Virginia DEP GIS Server
West Virginia DEP GIS Server