Geologic units referred to in Geolex

• Alvy Creek, Bedford, Bee Rock, Berea, Betsie, Bluefield, Bluestone, Borden, Bottom Creek, Breathitt, Chadwell, Chattanooga, Conemaugh, Corbin, Dark Ridge, Dave Branch, Dingess, Fort Payne, Four Corners, Grundy, Hensley, Hinton, Hyden, Kendrick, Lee, Little Stone Gap, Livingston, Magoffin, Middlesboro, Mount Vernon, Naese, Ohio, Olentangy, Paragon, Pennington, Pikeville, Pinnacle Overlook, Pocahontas, Poppin Rock, Pride, Princess, Princeton, Rhinestreet, Rockcastle, Salem, Sewanee, Slade, Stoney Fork, Stony Gap, Sunbury, Warren Point, Warsaw, White Rocks, Winifrede