The Free Library's Map Collection provides researchers and explorers with more than 130,000 current and historical maps, as well as other geographical resources, covering every part of the world. The collection is especially strong in Philadelphia and Pennsylvania maps and atlases, and an extensive collection of aerial photos of the Delaware Valley provides a fascinating view of the development of the region over the past 90 years.
Free Library of Philadelphia
1901 Vine Street
Philadelphia, PA 19103
Hours: By appointment, Monday-Friday 9am-5pm
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