Dinosaur National Monument, Uinta co., NE Utah, Moffat co., NW Colo. Authorized 1915, 329 sq mi/852 sq km. Rich quarries of well-preserved fossils of dinosaurs, other animals; Visitor Center at W entrance. Area bisected by canyons of Green and Yampa rivers. Entrances: E, 50 mi/80 km W of Craig, Colo.; Middle, 15 mi/24 km N of Dinosaur, Colo.; W, 10 mi/16 km E of Vernal. Total: Utah, 210,844 acres/85,329 ha; Colo., 156,398 acres/63,294 ha.
