To learn more about geologic maps, see:
- Database of the Geologic Map of North America
- National Cooperative Geologic Mapping Program (NCGMP)
- NCGMP's "Introduction to Geologic Mapping"
- USGS/AASG National Geologic Map Database
- USGS/AASG MapView
- USGS’s Geologic Maps of the U.S. States
- USGS’s Geology of the Conterminous U.S.
- USGS EDMAP Program - Training the Next Generation of Geoscientists
- USGS EDMAP Program- Webinar
- Paleontology Portal’s Tapestry of Time Teacher’s Guide
- A Tapestry of Time and Terrain
Look for Geologic Map Day on Facebook and Twitter!