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1861 map of Centre County

1861 Digital Atlas of Centre County

The earliest known map of Centre County.Click on any township or borough for a larger image that will open in a new browser window, or view maps by Township.

interior of maps library

Digital Map Drawer

A portal page from which many of the digitized map collections may be accessed, including - but not limited to - the Sanborn Fire Insurance Maps, the 1861 Digital Atlas of Centre County, and the 1874 Atlas of Centre County.

Antrim quadrangle, Pennsylvania : 15 minute series (topographic)

Pennsylvania 15 minute series topographic maps

The 15 minute topographic maps are a medium scale (1:62,500) series of topographic maps for Pennsylvania. All of the maps for the series have been scanned and are currently available for viewing. Download capabilities will be available at a future date.

Geologic map of the Monongahela quadrangle, southwestern Pennsylvania

Pennsylvania Geology

This collection contains materials relating to the geology and water resources of Pennsylvania as published by the PA Geological Survey, U.S. Geological Survey, and others.

State College, Centre County, Pennsylvania : Aug. 1911 Fire Insurance Maps

Sanborn Fire Insurance Maps 

The well known Sanborn Map Company has made maps since 1867. These fire insurance maps show building footprints, building material, height or number of stories, building use, lot lines, road widths and water facilities. The maps also show street names and property boundaries of the time. This collection of maps is historically significant as it is sometimes the best detailed map of a town or city dating from the mid 1800s.