historical maps

A rectified and warped aerial image taken from a Manhattan Community Planning District publication titled, "Lower East Side, East Village, Chinatown, Two Bridges".

Travel through Time with New York City’s Maps

Rebecca Maxwell

The New York City Public Library introduces an online map warping tool, offering access to over 10,000 historical maps of the city.

Where to Look for Historical Maps

Caitlin Dempsey

The use of extracting data from old paper maps is growing in popularity as a method to understanding historical geography. ...

Best of GIS: Notable 2011 Geospatial Happenings

Caitlin Dempsey

It’s been a very long time since I’ve done a “best of GIS” year end review.   Listed below are ...

Topo Map of Escalante Quadrant, Utah from 1886.

Over 120 Years of Mapping History Online

Caitlin Dempsey

The USGS Historical Topographic Map Collection currently makes over 98,000 maps dating as far back as 1884 available to the public.