The USGS produces maps and geospatial data for the U.S. and its territories. It also produces scientific reports about natural hazards such as earthquakes and floods, volcanoes, and ground and surface water. In addition, the U.S. Biological Survey is part of the USGS. Search for full-text USGS documents in the USGS Publications Warehouse.
FAO publishes scientific research, conference proceedings, and statistical reports about agriculture, forestry, fishing, irrigation, rural development, and many other topics. Search for its publications in the FAO Documents Repository.
The EPA produces studies and enforces laws relating to waste, pollution, environmental contaminants, and other areas. Search for its publications in the National Service Center for Environmental Publications (NSCEP).
For more information, refer to the EPA guide.
The USDA produces statistical reports about crops, forestry, forest fires, farmland, irrigation, rural development, food production, nutrition, and other agriculture-related topics. Refer to the USDA guide for more information. USDA research facilities publish research reports about agricultural products, pests, recreation, and other subjects.