areas. Rest of Hell Creek consists of drab gray brown carbonaceous shales weathering light blue gray. These broken by thin zones of purple to black, small, very hard ironstone concretions. Shales include dinosaur bones, some poor lignite, no coal. (Differs quite a bit from Lance in lack of sandy beds + log concretions) Also differs from Hell Creek of Meade, Zebronch etc., counties in S.D.) Hell Creek - Ludlow contact. Drowned by Goblin at base of white massive yellow sand, 2-3 ft thick grading upward into yellow drab S.S. Above these come lignitic shales bearing F.O. flora. Coal beds present.