Two official U.S. Geological Survey topographic maps, combined into one. Papoose Lake, Nevada — the quadrangle that puts S4 where Bob Lazar said it was. It was claimed that the S4 facility was built inside the tunnels of an old silver mine near Papoose Lake. from projectgravitaur: https://projectgravitaur.com/products/papoose-lake-map submitted by /u/Ok-Diver3111 [link] [comments]