LinesupcalculatedbyCraigpurelygoingofftothe U shapedstructures.
Assumingthatthe U shapedstructurewasputintherewith a specificpurpose, itlooksmoretimelikethanshaftlike, becauseit's justhardtopicturethatbeing a searchereffortisn't.
What I'm gettingatisthe 17 60 nines, whichmeansthatifitcomesbackold, italmosthastobeoriginalworks, right?
Ifyouhave, uh, undisturbedsoilandthen a bunchofwoodandthenundisturbedsoil, thatsuresoundslike a tunneltome, it's aboutwherethesocalledfloodtunnelneedstobe.