(Last updated Jan 2021.)
MapCruzin - [Clary Meuser Research Associates]
ESRI and the ESRI Site Map
IDRISI - Clark University
LIGIS [LI GIS Users Group]
Toxic Targeting Inc, - Free Maps
Suffolk County Planning Dept - Starter Maps
National Wetlands Inventory National Fish and Wildlife Service
GIS section of Bureau of Transportation Statistics. Department of Transportation
Army Corp. [USACE node on the National Spatial Data Infrastructure]
National Mapping Division home [U.S. Geological Survey]
USGS Products [U.S.Geological Survey National Mapping Program Products, Information, and Service]
USGS - Index
USGS Geo-Data Explorer [Online Access to Data]
Looking for free datasets, images, and information on all sorts of digital formats? Here are some helpful links.
BLM's GIS Links Page[Bureau of Land Management Geospatial Information Center]
EROS Home Page [The Earth Resources Observation Systems]
Some sites involved in GIS education and research
National Center for Geographic Information and Analysis (NCGIA) [Research Consortium]
University Consortium for GIS [Univ. of Ohio]
USGS GIS tutorial [U.S. Geological Survey]
GeoSearch [Job Search Site]
GIS jobs clearinghouse
This page was last updated January 2021. For further information about GIS education at LIU Post contact Prof. Scott Carlin at scott.carlin@liu.edu.