How to use this tool
The NYPL Map Warper is a tool for digitally aligning ("rectifying") historical maps from the NYPL's collections to match today's precise maps. Visitors can browse already rectified maps or assist the NYPL by aligning a map. Play the video above to tour the site and learn how to rectify a map yourself.
Everyone is welcome to participate!
Recipient of the 2012
Cutting Edge Technology in
Library Services Award from
the Office of Information Policy
of the American Library
Association
Cutting Edge Technology in
Library Services Award from
the Office of Information Policy
of the American Library
Association
Most Recently Rectified Maps
| Map | Title | Last modified | Status |
|---|---|---|---|
|
from First and second wards: Long Island City and
Newtown. (In 3 layers)
Depicts: 1912
Bibiliographic records: Digital Gallery
|
4 days ago. | 4 control points. |
|
from Atlas of Long Island, New York. From recent and actual surveys and records. (In 2 layers)
Depicts: 1873
Bibiliographic records: Digital Gallery
|
5 days ago. | 5 control points. |
|
from Atlas of the city of New York : from official records, private plans & actual surveys / compiled under the supervision of E. Robinson & R. H. Pidgeon. (In 2 layers)
Depicts: 1888
Bibiliographic records: Digital Gallery
|
5 days ago. | 5 control points. |