Reference: Cool! Have You Seen the Smithsonian’s Interactive “Before and After” Maps?
Here’s how the Smithsonian’s “Before and After” maps are described in a new roundup of interesting/useful online maps from Discovery.com.
In an elegant cartographic union of old and new, Smithsonian’s interactive before-and-after maps of American cities let users peer into the past and see how it compares with the present. The magazine dug through Cartography Associates President David Rumsey’s collection of over 150,000 maps and selected six vintage renderings of the following cities: Chicago, Denver Los Angeles, Washington D.C., New York and San Francisco.
Direct to Before-and-After Maps (via Smithsonian.com)
Read the Complete Discovery.com Article, “Mouth-Watering Maps Continue to Mine Big Data”
Several more online resources are mentioned in this article.
Direct to “Cool Web Apps From Libraries: Campus History Map from University of Minnesota-Twin Cities Campus”
Direct to the Rumsey Historical Map Collection
Over 44,000 historic maps online. Free.
Filed under: Data Files, Libraries, Maps, News, Patrons and Users, Roundup

About Gary Price
Gary Price (gprice@gmail.com) is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. He earned his MLIS degree from Wayne State University in Detroit. Price has won several awards including the SLA Innovations in Technology Award and Alumnus of the Year from the Wayne St. University Library and Information Science Program. From 2006-2009 he was Director of Online Information Services at Ask.com.