USGS Map Resources
- The National MapA collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information
- Earth Surface ImagesExplore the world’s largest civilian collection of images of the Earth’s surface. Find satellite images and data, aerial photography, elevation and land cover datasets, digitized maps, and our Image Gallery collections.
William C. Putnam Map Collection
The William C. Putnam Map Collection located in SEL/Geology holds ninety thousand topographic and geologic maps and is a depository for USGS geologic map series and topographic maps for California, Nevada, and Arizona. Contact an SEL Librarian for assistance in using this map room.
