Earth, Environmental, and Planetary Sciences

Gray Literature:

• Rhode Island Geological Survey
  "The mission of the Rhode Island Geological Survey and the Rhode Island State Geologist is to provide the people of Rhode Island with quality geologic information ..."
• U. S. Geological Survey
  "Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment."
• USGS Publications Warehouse
  Search for USGS publications and, especially, maps. May need to download plug-in DjVu to view maps.

Journals:

• Geoscience e-Journals
  Group of open access journals in geology

Maps:

• National Geologic Map Database
  "Find 78,000+ maps, images, data, and products from 350+ publishers "

Society Publications:

• Geologic Guidebooks of North America
  Search for geologic field trip guides keyword or fields including series. Search help useful.