Geospatial Data - Boundary and shape files
USDA Geospatial Data - Boundary and shape files, data layers
Data Visualizations - Charts, graphs and maps with agricultural themes
Snap Data Atlas - Supplemental Nutrition Assistance Program (Food Stamps)
Farm Program Atlas - an array of public data on Federal farm programs that will allow users to visually explore a core component of U.S. agricultural policy. These programs assist farmers in sustaining and promoting the viability of their farm businesses or in protecting and enhancing the environment.
Food Access Research Atlas - Provides food access data for populations within census tracts
ERS Map Service - boundary and shape files for the various food atlases listed in this section.
Census of Agriculture - mapping tool for visualizing Census of Agriculture data.
Population Interaction Zones for Agriculture - datasets and shapefiles formatted for ESRI
American Factfinder - tabulate and map data from the the latest decennial censuses and American Community Surveys.
Census Data Mapper - scaled down version of the mapping that is available in American Facffinder.
Cartographic Boundary Shapefiles - boundary and shapefiles for all Census geographies
Colorado 2010 Census Block Maps - in pdf.
School District Boundaries - TIGER/Line files
Environmental Health Webmaps - Mapping tool maintained by the Agency for Toxic Substances and Diseases Registry
Geospatial Research, Analysis and Service Program (GRASP)
Bureau of Land Management Geospatial Data
Fish and Wildlife Service Geospatial Services
U.S. Geological Survey Water Resources Maps and GIS Data
U.S. Geological Survey Topographical Maps
Geospatial Resources at the EPA