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Free or low cost remote sensing imagery and GIS data
North Dakota Geographic Information Systems
Provides FREE and interactive mapping of various data sets for North Dakota
Digital Northern Great Plains Program
Provides FREE data and outreach services
Global Land Cover Facility
Provided FREE earth science data and products for use in science, environmental policy, resource and disaster management
The Federation of Earth Science Information Partners
Maintains over 35,000 datasets through a partnership of data centers. The majority of the data is FREE
GIS Data Depot for FREE downloads of various datasets
Leader in geographic information systems technology, providing FREE and low cost data, software, and resources
USGS Seamless Data Distribution System
Provides FREE downloads of national base layers, as well as other geo- spatial for user defined areas
Query and order satellite images, aerial photographs, and cartographic products through the U.S. Geological Survey.
Land Cover Institute
Clearinghouse for USGS land cover data.
Light Detection and Ranging (LIDAR) Information Coordination and Knowledge
Facilitating data access, user coordination and education of lidar remote sensing for scientific needs.
Earthshots: Satellite Images of Environmental Change
A collection of Landsat images and text, designed to show environmental changes and to introduce remote sensing.
A database of free GIS software and data sources
Searchable data from Wisconsin