Resources for historic maps of Allentown / Lehigh Valley
Google Earth (get the Pro version):Â http://www.google.com/earth/
Sanborn maps: These are available in multiple places. I'm not sure if different locations have different maps or not
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Google Earth (get the Pro version):Â http://www.google.com/earth/
Sanborn maps: These are available in multiple places. I'm not sure if different locations have different maps or not
Â