[dragoon500ly]

Originally Posted by tsofian

I looked at mines in Missouri and the issue is high ground water. The best solution would be the lead mines, they have huge chambers that would allow for large buildings. The fact that most of the pit mines filled with water and all the underground ones did shows just how bad an issue this would be. It would require Prime base to be completely watertight, well forever.

http://dnr.mo.gov/geology/lrp/surfac...ace-mining.htm

http://www.bonneterremine.com/

https://mostateparks.com/park/missou...-historic-site

Then it forces the site westward or northwestward.

Considered western Nebraska?
Especially around Chaldron, just south of the Pine Ridge Reservation, rolling hill country, lightly populated, outside fall out patterns. Seems like an decent location for a base.