Dinosaur National Monument entranceMap showing the boundaries of Dinosaur National Monument
Dinosaur National Monument is an American national monument located on the southeast flank of the Uinta Mountains[4] on the border between Colorado and Utah at the confluence of the Green and Yampa rivers. Although most of the monument area is in Moffat County, Colorado, the Dinosaur Quarry is located in Utah, north of the town of Jensen, Utah. The nearest Colorado town is Dinosaur while the nearest city is Vernal, Utah.
Originally preserved in 1915 to protect its famous Dinosaur Quarry,[5] the monument was greatly expanded in 1938 to include its wealth of natural history. The park's wild landscapes, topography, geology, paleontology, and history make it a unique resource for both science and recreation. The park contains over 800 paleontological sites and has fossils of dinosaurs including Allosaurus, Deinonychus, Abydosaurus, and various sauropods.[5] The Abydosaurus consists of a nearly complete skull, the lower jaw, and first four neck vertebrae. The specimen was found at the base of the Mussentuchit Member of the Cedar Mountain Formation and is the holotype for the description.
Paleontologist Earl Douglass of the Carnegie Museum discovered eight vertebra of an Apatosaurus on August 17, 1909,[2] which became the first dinosaur skeleton discovered and excavated at the new Carnegie Quarry. The area around the quarry was declared a national monument on October 4, 1915.[2] The International Dark-Sky Association designated Dinosaur National Monument an International Dark Sky Park in April 2019.[6]
^"Protected Area Profile for Dinosaur from the World Database of Protected Areas". protectedplanet.net. UN World Conservation Monitoring Centre and the IUCN. Retrieved September 7, 2021.
^ abc"Dinosaur National Monument Statistics". NPS. January 11, 2008. Retrieved 2009-03-21.
^"NPS Annual Recreation Visits Report". National Park Service. Retrieved 2017-05-09.
^Hansen, Wallace (1969). The Geologic Story of the Uinta Mountains (USGS Bulletin 1291 ed.). U.S. Geological Survey.
^ abGregson, J.D.; Chure, D.J.; Sprinkle, D.A. (2010). "Geology and Paleontology of Dinosaur National Monument". Geology of Utah's Parks and Monuments. UGA Publication 28 (third edition) (Utah Geological Association): 161–192.
^"Dinosaur National Monument Designated as an International Dark Sky Park". International Dark-Sky Association. 2019-04-22. Retrieved 2019-07-05.
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DinosaurNationalMonument is an American nationalmonument located on the southeast flank of the Uinta Mountains on the border between Colorado and Utah...
camptosaurid Uteodon aphanoecetes, which is currently known only from DinosaurNationalMonument. Still larger was the more common Camptosaurus dispar. Dryosaurids...
years. Single tooth fossil of pycnodont fish is represented from DinosaurNationalMonument in Utah, found in stratigraphic zone 4. Dipnoan remains found...
negotiations over the controversial damming of the Green River within DinosaurNationalMonument at Echo Park; the Echo Park Dam proposal was abandoned due to...
carnivorous dinosaurs. Most of the allosaurs are from this site, as well as the unique Stokesosaurus and Marshosaurus. DinosaurNationalMonument, Utah: First...
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Monument near Grand Junction and Fruita (May 24, 1911, Taft) DinosaurNationalMonument near Dinosaur (80 acres October 4, 1915, Wilson, additional 200,000 acres...
largest tributary, the Little Snake River. Further west it enters DinosaurNationalMonument, where it traverses more than 40 miles (64 km) of rugged canyons...
skeleton was collected at the Carnegie Quarry in DinosaurNationalMonument, Utah, by the National Museum of Natural History in 1923. The skeleton (USNM...
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for the Echo Park district of DinosaurNationalMonument, flooding much of the Green and Yampa river valleys in the monument. The dam was bitterly opposed...
Argentina, the Allosaurus-dominated Cleveland-Lloyd Dinosaur Quarry of Utah, the DinosaurNationalMonument on the boundary of Utah and Colorado, an Albertosaurus...
in Northwest Colorado and North-East Utah. Dinosaur Ridge Florissant Fossil Beds NationalMonumentDinosaur State Park and Arboretum Windley Key Fossil...
the Cedar Mountain Formation, near the old visitor center of DinosaurNationalMonument. Zircons from mudstones beneath the bone-bearing sandstone indicate...
Toadstool Geologic Park in the Oglala National Grassland located in northwestern Nebraska. DinosaurNationalMonument in Colorado and Utah are also badlands...
This is a list of the National Register of Historic Places listings in DinosaurNationalMonument. This is intended to be a complete list of the properties...
of a site they had been rescued from a month earlier, near the DinosaurNationalMonument along the Utah-Colorado border. A number of notable controversies...
was named by Carpenter and Wilson in 2008 for specimens from DinosaurNationalMonument. It differs from C. dispar in the lower jaw, shorter neck vertebrae...
river downstream into Colorado, ending at the Gates of Lodore in DinosaurNationalMonument. Known as a haven for outlaws such as Butch Cassidy and Tom Horn...
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