Remember this story in the bathroom where Barajas Medina was discovered,with one bullet to the head written on the wall were the messages "I am not a killer" and "I just want to get into the caves,"Gleenwood Caves Nikola Tesla provided Hydro power electric to these caves me think there is secret underground base this guy got to close.
https://www.newsweek.com/who-diego-barajas-medina-armed-bombs-glenwood-caverns-park-colorado-1839532
@Stahesh Nothing to worry about just a pit to dispose of some kind of industrial sludge illegally I would assume