Parking area is straight ahead.
The trail is administered by the Bureau of Land Management and the Museum of Western Colorado. The quarry appears to have been an ancient watering hole 140 million years ago. It was visited by thousands of dinosaurs over thousands of years. Through Time is quite extensive, Apatosaurus, Diplodocus, Brachiosaurus Camarasaurus, Ceratosaurus, Allosaurus, Nodosaurus. During the warmer months you might find paleontologists at work in the quarry.