Fun Maps: Concrete Architecture Dating Back to 1870s Mapped in 50 Sites Across NYC

Today’s maps found on the interwebs.

As most New Yorkers know, the five boroughs are filled with impressive architecture, but few have paid particular attention to the material used to create it.

Found at http://ift.tt/2j7OD9F

Written by Gary

Husband, Father, geotechnologist, map geek, coffee addict, Sci-fi fan, UNIX and Mac user.