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 | Year | Last modified | Status |
|---|---|---|---|---|
|
From Insurance maps of Jersey City, N.J., 1873 : consisting of what was formerly known as "Jersey City", "Hudson City", and "Bergen" ... (In 2 layers)
Depicts: 1873
Bibiliographic records:
Digital Collections
|
1873 | 1 day ago. | 3 control points. |
|
from City atlas of Elmira, New York : from official records, private plans and actual surveys, based upon plans deposited in the Department of Surveys / compiled and published by M.S. Converse & Co. ; engraved by Edward Busch. (In 1 layer)
Depicts: 1876
Bibiliographic records:
Digital Collections
|
1876 | 1 day ago. | 8 control points. |
|
from City atlas of Elmira, New York : from official records, private plans and actual surveys, based upon plans deposited in the Department of Surveys / compiled and published by M.S. Converse & Co. ; engraved by Edward Busch. (In 1 layer)
Depicts: 1876
Bibiliographic records:
Digital Collections
|
1876 | 1 day ago. | 4 control points. |
There are no known US copyright restrictions in maps available through Map Warper.
NYPL is distributing these images under a Creative Commons CC0 1.0 Universal Public Domain Dedication.
For more information, see the Export tab for a map.
NYPL is distributing these images under a Creative Commons CC0 1.0 Universal Public Domain Dedication.
For more information, see the Export tab for a map.