Federal Government

  • Fed World – search engine for federal sites
  • Bureau of Land Management
  • Bureau of Reclamation
  • National Aeronautics and Space Administration
  • National Climatic Data Center
  • National Oceanic and Atmospheric Administration
  • National Oceanographic Data Center
  • National Park Service
  • US Army Corps of Engineers
  • USDA Forest Service
  • US Environmental Protection Agency
  • United States Geological Survey – earthquake information
  • USGS Water Resources Division – California District