Bone Cabin Quarry is a dinosaur quarry that lay approximately 55 miles northwest of Laramie, Wyoming, near historic Como Bluff. During the summer of 1897 Walter Granger, a paleontologist from the American Museum of Natural History, came upon a hillside littered with Jurassic period dinosaur bone fragments. Nearby was a sheepherder cabin b…Bone Cabin Quarry is a dinosaur quarry that lay approximately 55 miles northwest of Laramie, Wyoming, near historic Como Bluff. During the summer of 1897 Walter Granger, a paleontologist from the American Museum of Natural History, came upon a hillside littered with Jurassic period dinosaur bone fragments. Nearby was a sheepherder cabin built entirely out of fossil bones, hence the name "Bone Cabin Quarry." After Granger's discovery in late August 1897, the quarry was kept secret until early 1898, when the manpower could be amassed to undertake a full-scale excavation. Henry Fairfield Osborn, curator of the American Museum of Natural History headed the expedition. The bones of perfect skeletons lay thickly crowded. As of 1905, 483 parts of dinosaur were found, packed in 275 boxes with a weight of 100,000 pounds. The excavation area was only 7,500 square feet. Bone Cabin Quarry was excavated from 1898 until 1905, when the productivity of specimens thinned. Some of the dinosaurs found at the Bone Cabin Quarry include Stegosaurus, Allosaurus and Apatosaurus. Gargoyleosaurus is also known from the Bone Cabin Quarry West locality.
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