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

Broad Canal, Cambridge
1. Broad Canal, Cambridge : condition of retaining walls and bed of Canal, inspection for Committee on Charles River Dam, Oct. 30,...
Plan of the city of Boston
2. Plan of the city of Boston : plate 17
Map of the United States of America
3. Map of the United States of America : including Canada and a large portion of Texas showing the base meridian and township...

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