Library Guides: How To Find...: Maps

US Maps

National Geologic Map Database
Use MapView for current geological and geopolitical maps, TopoView for historical maps dating back to the 1800s, and MapCatalog for general maps.
Maps | US Geological Survey
Geologic maps, 3-D geologic frameworks, volcanic maps, and topographic maps.
Library of Congress
Search box located in the top right. The Library of Congress maintains a massive online repository that includes maps. Look for the "map" limiter on the left side of your screen after you search.
World Digital Library
From the Library of Congress and UNESCO. World maps and other documents.
David Rumsey Map Collection
Over 130,000 digitized maps from the 1500s-present.

Maryland Maps
From the Maryland State Archives. Includes various current and historical maps for waterways, trails, cities, universities, and transportation.
Nabb Center Finding Aids
The Nabb Center has historical maps local to the Salisbury area and Delmarva peninsula.