Maps and Geospatial Information: Maps by U.S. government agencies

Many agencies and departments with the U.S. federal government produce maps and mapping data.  This information is very high quality and very authoritative.

• The National Map of the United States – Includes variety of data including topography, census, and environmental.
• U.S. Topo Quadrangles by U.S. Geological Survey (USGS) -- Up-to-date official topographic maps from USGS. The maps are available in digital form or print-on-demand.
• U.S. Geological Survey (USGS) Publications Warehouse -- Portal to all publications of U.S. Geological Survey (USGS).
• FEMA Flood Map Service Center by the Federal Emergency Management Agency (FEMA)
• Web Soil Survey maps from the U.S. Natural Resources Conservation Service
• U.S. Nautical charts (domestic) by the United States Office of Coast Surveys.
  • Historic U.S. Nautical Charts (domestic) by United States Office of Coast Surveys
• International Nautical Publications (charts) by National Geospatial Intelligence Agency (NGA)
• Geospatial Multi-Agency Coordination Group (GeoMAC)--Wild Fires -- An internet-based mapping application designed for fire managers to access online maps of current fire locations and perimeters in the conterminous 48 States and Alaska.
• Hazard Mapping System Fire and Smoke Product by the NOAA Office of Satellite & Product Operations
• Digital maps for the National Park Service by the U.S. National Park Service
• EnviroAtlas -- EnviroAtlas provides geospatial data, easy-to-use tools, and other resources related to ecosystem services, their chemical and non-chemical stressors, and human health. Produced by the U.S. Environmental Protection Agency (EPA).
• Official Federal Land Records -- Access to the official land records of the Bureau of Land Management (BLM), and General Land Office (GLO).
• Learning Library from the National Museum of Forest Service History