Defense Mapping Agency Digital Data

• Digital Chart of the World (DCW US)
(HTTP)
• Documentation describing DCW data

• 1:250,000 Digital Elevation Models (DEM)
(HTTP)
• FTP via Graphics
• 1:2,000,000 Digital Line Graphs (DLG)
(HTTP)
• FTP via Graphics
• 1:100,000 Digital Line Graphs (DLG)
(HTTP)
• FTP via State
• 1:250,000 Land Use and Land Cover
• Distributed Spatial Data Library
(WAIS)
• Under Data Availability, you will find Reston DSDL Archive. This allows a keyword search for more information. Simply key in 'spatial data' and 20 to 30 additional digital data bases will appear.
• Geologic Map of the U.S.
(FTP)
• Geology data in Arc/Info format
• National Geospatial Data Clearinghouse-US Geological Survey Node
(HTTP)
• A list of most popular digital geospatial data set collections from USGS
• DEM, DLG, Geologic Data, Hydrologic Unit Maps, Water Resources Information.
• Arc/INFO Export and SDTS Formats
• USGS home page

STATE LEVEL

State of California - Teale Data Center

• GIS Data Library
(HTTP)
• Digital Data Arc/Info format (.e00)
• Administrative Divisions
• Infrastructure
• Physical Geography
• Cultural Geography

• California State Lands Commission
(HTTP)
• Digitial Data Arc/Info format (.e00)
• Fish and Wildlife Habitat

Maine Office of GIS

• GIS Data Library
(HTTP)
• Digitial Data Arc/Info format (.e00)
• Table of Contents for available data

Montana Natural Resource Information System

• GIS Data Library
(HTTP)
• Digital Data Arc/Info format (.e00)
• Counties coverage
• Largest City in Each County coverage
• Lakes & Streams coverage
• Highways coverage
• 1990 Population Density coverage
• Land Use coverage
• River Basins
• National Forest Land
• National Park Service Land
• Indian Reservations
• US Fish & Wildlift Service Lands
• Legislative Districts

Nebraska Natural Resources Commission

• GIS Data Library
(HTTP)
• Digital Data Arc/Info format (.e00)
• Statewide and Countywide databases
• Climate Databases
• Surface Water Databases
• Groundwater Databases
• Soils and Landuse Databases
• Demographics
• Political Boundary Databases

North Carolina Center for Geographic Information and Analysis

• History and Mission
(HTTP)
• Statewide Database
(HTTP)

State of Texas - Government Information

• GIS Planning Council Home Page
(HTTP)
• Arc/Info format from the follow list of agencies:
• Texas Natureal Resource Conservation Commission
• Texas Parks and Wildlife
• Texas Water Development Board
• Texas Department of Transportation
• General Land Office

State of Utah

• Automated Geographic Reference Center (AGRC)
(HTTP)
• Arc/Info format
• State geographic information database

LOCAL LEVEL

Boulder County, Colorado

• GIS Land Use Department
(HTTP)

SOFTWARE

GIS Software (HTTP)

• MOSS-PC version
• Geographic Resources Analysis Support System (GRASS)
• GMT-Generic Mapping Tools software (GMT)
• and more

OTHER GIS RESOURCES

Bill Thoen "On-line Resources Earth Sciences" GIS Resources (FTP)

Michael J. McDermott's GIS Resource List (FTP)

University of South Carolina (HTTP)

Created by Lew Summers, Lockheed Martin, GIS Analyst Chap Gleason, EPA Sponsor, Office of Policy, Planning, and Evaluation