*Geology*

View and download thousands of geologic maps using either a text search or an intuitive map interface. The database can be searched by geographic area, keyword, author, map number and theme and includes over 90,000 records from 600 different publishers.

A collection of nearly 6000 photos and images provided by the American Geosciences Institute. Images are submitted by geologists are available for educational use.

Contains over 30,000 photographs from the U.S. Geological Survey collection. Photos were taken during geologic studies of the United States and its territories from 1868 to the present.