Interactive historical materials! Squeee!
From the Pittsburgh Post-Gazette:
Pittsburgh Mapping and Historical Site Viewer” — http://peoplemaps.esri.com/pittviewer/ — popped up on someone’s Facebook page, then spread. Jonathon Denson of McKees Rocks described it as “an awesome mapping tool” on his Discovering Historic Pittsburgh website. Someone then posted it on City-Data.com, where Gene Wilson of Allegheny West found it.
To create the viewer, [site developer] Mr. [Chris] Olsen [a member of the ESRI tech support team] downloaded and scanned the historic plat maps of the years that were available and spliced them to create one map of Pittsburgh and Allegheny City in eight overlays. The user can zoom in and use a time line to see overlays for 1835, 1855, 1872, 1882, 1903-07, 1910, 1923 and 2010, an aerial view.
Symbols on the map are links to information boxes, usually with a photo, about historic sites.
“I am a big fan of history and…
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