TYB
>I believe anons determined it's a map of the DC swamp before it was DC
Got a date reference?
>Where's Geronimo scull ?
>Didn't someone say something about it being used in some Skull N Bones ritual?
Moar sauce?
>My guess is it's a local topographical map from the USGS or similar agency.
>
>They cover about 5 square miles or so.
Of DC?
>It's common knowledge dude. Stop being lazy and do the work. 1000's of choices
Does it rhyme with Dale?