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Earth, Planetary, and Space Sciences

USGS Map Resources

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. 

SEL/Geology William C. Putnam Map Room Layout

Index to Putnam Map Room Collections