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Location Closure The Forest Park, Washington Village, Reisterstown Road, Brooklyn, Northwood, & Herring Run branches are closed for facility improvements. Learn more here.

Holiday Closing All Pratt Library locations will be closed Monday, May 26 in observance of Memorial Day.

Maryland & DC Sanborn Maps

Sanborn Maps

Browse a selection of Maryland and Washington DC Sanborn Maps from 1890–1953. Search and manipulate the maps, magnify and zoom in on specific sections, and layer maps from different years. Powered by ProQuest.

Accessible in all Pratt Library locations, or from home with your library card.