Data
State Data Portals
Alabama
Alaska
Alaska Geospatial Data Clearinghouse
California
California Ocean and Coastal Environmental Access Network (Cal OCEAN)
California Resources Agency Watershed Web Site
California Spatial Information Library
Connecticut
Connecticut Map and Geographic Information Center (MAGIC) Geo-Spatial Data Resources
Delaware
Delaware Spatial Data Clearinghouse
Florida
Florida Department of Environmental Protection Technical Services GIS Data Directory
Florida Geographic Information Board
Florida Marine Research Institute
Georgia
Georgia Environmental Resources Digital Data Atlas
Georgia GIS Data Clearinghouse
Hawaii
Illinois
Illinois Natural Resources Geospatial Data Clearinghouse
Indiana
Center for Advanced Applications in Geographic Information Systems
Louisiana
Louisiana State Land Office: GIS Home Page
Atlas: The Louisiana Statewide GIS
Maine
Maryland
Maryland Geological Survey Home Page
Massachusetts
Minnesota
Minnesota GeoData Clearinghouse
Mississippi
Mississippi Automated Resource Information System (MARIS) GIS Page
New Hampshire
New Jersey
New Jersey Department of Environmental Protection
New York
North Carolina
North Carolina Center for Geographic Information and Analysis
Ohio
Ohio Department of Natural Resources Geographic Information Management Systems
Oregon
Oregon Coast Geospatial Clearinghouse
Pennsylvania
Pennsylvania Spatial Data Access (PASDA) System
Rhode Island
Rhode Island Geographic Information System (RIGIS)
Rhode Island Resource Protection Project
South Carolina
South Carolina Department of Natural Resources GIS Data Clearinghouse
Texas
Texas Natural Resources Information System (TNRIS)
Virginia
Center for Coastal Resources Management
Washington
Washington State Department of Ecology's Geographic Information System
Washington State Geographic Information Council (WAGIC)
Wisconsin
Wisconsin Land Information Clearinghouse