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Wow, what a topic.
There are maps of Virginia from 500 years ago, and maps just produced today for new
"enhanced 911" programs. (It's hard to dispatch a fire truck or ambulance to an address like PO
Box 1234, so most Virginia counties are creating new addresses for houses on rural mail routes
and providing maps to emergency personnel...)
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Source: Ray Sterner, Applied Physics Lab of Johns Hopkins University |