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The Dakota Hogback is a long hogback ridge at the eastern fringe of the Rocky Mountains that extends north-south from southern Wyoming through Colorado and into northern New Mexico in the United States. The ridge is prominently visible as the first line of foothills along the edge of the Great Plains. It is generally faulted along its western ...
Dinosaur Ridge is a segment of the Dakota Hogback in the Morrison Fossil Area National Natural Landmark located in Jefferson County, Colorado, near the town of Morrison and just west of Denver. In 1876, fossil excavation began at Dinosaur Ridge under the direction of Yale paleontologist Dr. Othniel Charles Marsh. [1]
Dinosaur Ridge is only a short segment of the Dakota Hogback that extends the length of the Front Range from Wyoming to southern Colorado. [6] The Grand Hogback is a 70-mile long (110 km) ridge located in western Colorado. [7] It marks part of the boundary between the Colorado Plateau to the west and the Southern Rocky Mountains to the east. [8]
The Dakota Group rank is employed along the territory of the Dakota Hogback in Colorado and Wyoming, the Colorado Plateau, [4] the Dry Cimarron River, [4] and the Denver Basin. This group ranking recognizes sequences and members that exhibit local formational characteristics, especially marine shales that are less developed or absent further ...
However, by 1878, C. A. White restricted the Colorado Group to the Benton and Niobrara, which are the formations found within the flatirons and secondary hogbacks on the east flank of the Dakota Hogback. [2] [8] [9] [4] During the last decade of the 19th Century, Cretaceous rocks in Colorado and western Kansas were a focus of considerable study.
The Dakota hogback exposes Dakota Sandstone overlying and protecting the Morrison Formation beneath and to the west. Between Golden and Morrison, the Dakota hogback is called Dinosaur Ridge and is the site of a dinosaur trackway and dinosaur fossils exposed in the outcrop that are part of a Colorado State Natural Area and Geological Points of ...
Your passport to adventure just takes a smidgeon of imagination and down-home fun. You can tread the path of woolly mammoths along this Oklahoma road.
Roxborough Park sits at the foot of the Front Range of the Rocky Mountains.The Dakota Hogback, a prominent sandstone ridge, runs north–south through the community.The CDP is bordered to the west by Pike National Forest, and Roxborough State Park, known for its dramatic sandstone formations, is on the southern edge of the community.