Georeferencing

Georeferencing is the process of relating digitized maps with their real world locations. Once a historic map in our collection is georeferenced it can be viewed as an overlay on a modern map.

Maps Available to Georeference Georeferenced Maps

Recently Georeferenced

1. Political map of the United States and territories. 1888

2. The Seventh Ward of Philadelphia : the distribution of Negro inhabitants throughout the ward, and their social conditions

3. Linguistic families of American Indians north of Mexico

How to Georeference

The LMC Map Warper is a tool for digitally aligning ("rectifying") historical maps from the LMC's collections to match today's precise maps.

Demonstration

Georeferenced items can be shown as overlays on a modern street map.

View The Demo