A hundred years ago a thriving black neighborhood of Tulsa, Oklahoma was destroyed by a white mob. The New York Times has done an excellent job of recreating what was there piecing together old maps, photos census records and other archives to create maps and a 3D model.
|Images via New York Times|
The screen shot below illustrates the extent of the damage - only part of the map is shown here, for the entire map and text go to the article.
This Sanborn Insurance Map from 1915 - via the Library of Congress gives some idea of the character and prosperity of the neighborhood before it was destroyed.Google Maps shows a neighborhood of expressways, parking lots, empty land and a baseball stadium.
New York Times. There is also a detailed map (featured previously here) from the Tulsa World.