Amazon.com: Underground Alien Bases: Flying Saucers Come From Inside The Earth!: 9780938294924: X, Commander, Beckley, Timothy Green: Books
The Mysterious 'Alien Soil' Growing Deep Underground
Underground Alien Bases: Flying Saucers Come From Inside The Earth! by Commander X | Goodreads
The Dulce Wars: Underground Alien Bases and the Battle for Planet Earth: This is Not Science Fiction. . .A True-To-Life "War Of The Worlds": Branton, B., X, Commander: 9781892062123: Amazon.com: Books
Allegedly, There Is a Secret Underground Alien Base in Dulce, New Mexico | Travel and Exploration | Discovery
The truth is down there | Pasatiempo | santafenewmexican.com