If I stored my trailer underground anywhere here on the shore, it would be underwater! (high water table). Of course FPM is out there in the high country of western PA.
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2017 Coachmen Catalina 283RKS
2018 Ford F250 Super Duty 6.2l CCSB
2010 Jayflight 28BHS (sold)
For those that are curious (and even for those who are not curious), the picture below is one I took of my TT after it was parked in the limestone mine for the winter. The picture is not especially clear and sharp due to the darkness inside the mine. It just eats up the flash. The TV at the time was my 1996 Ford F-250 HD. I apologize for straying away a bit from the OP's topic. Now back to our regularly scheduled program.
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TV: 2009 GMC Sierra 2500HD | Crew Cab | Std. Box | 4WD | Duramax/Allison
RV: 2000 Jayco Eagle 266 | FBS | TT
PREVIOUS: 1986 Coleman Laramie pop-up -- Still in the family!!!
I really want to do that! I will look in to what was/is mined here.
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2010 Jayco Feather Sport 22'6" (sold)DrawTite,12,000 lbs. 2017 Jayco 212 QBW BAJA (bought)
2011 Ford F-150 XLT SCab 4x4 Tow Package
"If you can't be smart; be stubborn.". DG.