Historic Map Collection: Maps of Delaware & the Mid-Atlantic RegionA digital map collection at the University of Delaware Library. Includes several hundred sheet maps representing Delaware, Maryland, New Jersey, Pennsylvania, New York, Virginia, West Virginia, and Washington, D.C. Includes four atlases of the state of Delaware. The digitized maps are from the 17th through 20th centuries, and include transportation, regional, municipal, manuscripts, historical maps, and nautical charts of the Delaware Bay.