Spanning over an area of 1,347 acres, the Devils Tower is a monolith – an igneous intrusion of phonolite in Crook County, Wyoming in the Unites States. The Devils Tower…
Spanning over an area of 1,347 acres, the Devils Tower is a monolith – an igneous intrusion of phonolite in Crook County, Wyoming in the Unites States. The Devils Tower…