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Location Closure The Pennsylvania Avenue Branch closed at 2 pm Friday, July 18 due to ongoing emergency response work.

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

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.