Federal Departments/Agencies:

• U.S. Department of the Interior (DOI)
• Environmental Protection Agency (EPA)
• Federal Emergency Management Agency (FEMA)
• National Cancer Institute (NCI)
• National Climatic Data Center (NOAA)
• River Conditions, National Weather Service (NOAA)
• National Park Service (NPS)
• Natural Resources Conservation Service (NRCS)
• U.S. Forest Service (USFS)

State Agencies:

• Vermont Agency of Natural Resources
• Vermont Agency of Transportation
• Vermont Geological Survey
• N.H. Department of Environmental Services
• N.H. Department of Health & Human Services
• N.H. Geological Survey

Universities/Science Research:

• Center for Environmental Health Sciences at Dartmouth
• New Hampshire Consortium on Arsenic
• New Hampshire Water Resource Research Center (UNH)
• Vermont Water Resources and Lakes Studies Center (UVM)
• Mount Washington Observatory
• Lake Champlain Basin Program

Map Servers:

• USGS National Map Viewer
• TopoZone
• MSR Maps (formerly, Terraserver)
• National Geographic Maps
• Historic USGS Topo maps (static images)

Downloadable Geospatial Data (GIS):

• NH GRANIT
• Vermont Center for Geographic Information
• GeoSpatial One-Stop
• National Atlas
• USGS Water Resources Spatial Data Sets
• USGS Cumulus Portal for Geospatial Data
• USGS Seamless data download
• USGS Digital (GeoPDF) Topo Maps
• EROS Data Center Geographic Download
• Census 2000 TIGER/Line files

Benchmark Information:

• NGS State Geodetic Advisors
• Benchmark Information from the National Geodetic Survey

Definitions:

• Water Resources Glossaries (USGS)
• Water Quality Glossary
• GIS Dictionary (ESRI support)