Filters: Date: "1961-06" Format: "image/jpeg"
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51 Richard Ford1961-06Image/StillImagedha_sltnc
52 Richard Ford1961-06Image/StillImagedha_sltnc
53 Second, the more fragile and sometimes fractured fossil bones must be enclosed in a burlap and plaster jacket; which like the shell of an egg protects the contents so that each unit can be safely transported to the laboratory for final preparation and study. (June 1961)1961-06Imageuum_map
54 Sherrie Lowe portraits - shots 1 and 2, 19611961-06pc_hsm
55 Sherrie Lowe portraits - shots 3 and 4, 19611961-06pc_hsm
56 Syncline rapids area, San Juan River, June , 1961 [01]1961-06Image/StillImageuum_map_rr
57 Syncline rapids area, San Juan River, June , 1961 [02]1961-06Image/StillImageuum_map_rr
58 These are two unrelated bones in place. On the left is an ischium of Barosaurus and on the right an ilium of Allosaurus. (July 1961)1961-06Imageuum_map
59 These paired, pelvic bones of a large Allosaur are called pubes. They are shown here to illustrate the size of the circular opening at the top, which represents the maximum dimension of the oviduct or birth canal. It appears in this case to have been somewhat close to the diameter of a softball in size. (July 1961)1961-06Imageuum_map
60 This Allosaurus femur, the upper long bone of the hind leg, as found in place at the Quarry, shows displacement at mid-length. Apparently, this was the result of a small, reverse fault having an approximate displacement of about 12 centimeters. The movement occurred long after the enclosing sediments had become lithified, changed to limestone and shale. (July 1961)1961-06Imageuum_map
61 This dorsal rib is singularly diagnostic of the presence of the rare theropod, Ceratosaurus in the C-LDQ, however, numerous other bones of this individual were found over the years.1961-06Imageuum_map
62 This is an exceptional occurrence of fossil bones in the Quarry, an articulated sequence of midcaudal vertebrae of Ceratosaurus. More commonly the fossil bones of a single individual are scattered over an area up to ten meters or more in diameter.1961-06Imageuum_map
63 This is another unusual series of articulated, caudal vertebrae. These bones belong to the uncommon Diplodocid, sauropod dinosaur, Barosaurus; which is represented as a solitary taxon in the C-LDQ. Single taxa are especially important in a mass burial situation like the C-LDQ, because they provide taphonomic data not available from the remains of multiple, but different sized individuals of the same dinosaur.1961-06Imageuum_map
64 Truck Crosses on White River on Floating Bridge1961-06Imageucl_tp
65 When a fossil bone is prepared for removal from the Quarry in a plaster jacket, it is first uncovered and left supported on a narrow matrix pedestal. (June 1961)1961-06Imageuum_map
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