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1 A caudal vertebra (tail bone) of the sauropod dinosaur, Camarasaurus, as found in place at the Quarry. This particular dinosaur would have been about 55 feet long, almost 12 feet tall at the hips, and perhaps weighing more than fifteen tons in life. An original skeleton of this huge reptile is exhibited in a death pose at the College of Eastern Utah, Prehistoric Museum in the city of Price, Utah. (July 1961)P1048 James H. Madsen Photograph CollectionP1048n031a
2 A concretionary limestone unit with a number of bones enclosed.P1048 James H. Madsen Photograph CollectionP1048nGS10
3 A death pose of an original, composite skeleton of Camarasaurus and Stegosaurus from the C-LDQ may be seen at the College of Eastern Utah Prehistoric Museum in the city of Price, Utah. Two skeletons at CEUPM are mounted in a huge sandbox, an inexpensive exhibit, which allows easy access to the individual fossil bones for research or study.P1048 James H. Madsen Photograph CollectionP1048n086
4 A femur (thigh bone) of a Camarasaur illustrates the enormous size of this reptile. This bone, like most of the others in the Quarry, was found isolated rather than in close proximity to adjacent bones as they would appear with a complete, articulated skeleton. (July 1961)P1048 James H. Madsen Photograph CollectionP1048n032
5 A full scale Pentaceratops is the companion bronze statue to Albertosaurus at the entrance of the New Mexico Museum of Natural History in Albuquerque. Pentaceratops is known from the Cretaceous formations of Alberta, Canada and New Mexico.P1048 James H. Madsen Photograph CollectionP1048n077
6 A full scale model of Maiasaurus, the "Good Mother Dinosaur", by artist Dave Thomas, was commissioned by the Museum of the Rockies in Bozeman, MT.P1048 James H. Madsen Photograph CollectionP1048n079
7 A full scale model of this life-like Allosaurus may now be seen in one of Utah's Museums. This 1:24 bronze scale model and the life-size replica were done by sculptor, David Thomas.P1048 James H. Madsen Photograph CollectionP1048n075
8 A geologic map of Utah, illustrates the strata conventionally colored differently according to geological age. Notice the San Rafael Swell, the dominant geologic and geographic feature in the eastcentral part of the State. The Cleveland-Lloyd Dinosaur Quarry (C-LDQ) is located on the northern end or nose of the Swell.P1048 James H. Madsen Photograph CollectionP1048n002
9 A good lesson to learn early on, when digging dinosaurs, is that even in a desert there is occasional rain; and when it rains, it is advisable to have a drain in the lowest part of the quarry excavation lest it turn into a wading pool, as seen here.P1048 James H. Madsen Photograph CollectionP1048n014
10 A large house trailer, seriously damaged traveling the rough road to the C-LDQ, was the solution to the housing problem the second year (1961) of the University of Utah Cooperative Dinosaur Project (UUCDP). (June 1961)P1048 James H. Madsen Photograph CollectionP1048n010
11 A life-like reconstruction (Trophy Mount) by David Thomas of the head and shoulders of Allosaurus was prepared over a welded armature supporting exact casts of the original bones. The muscles, then the skin, were sculpted in turn to achieve a very life-like representation.P1048 James H. Madsen Photograph CollectionP1048n074
12 A medial view of the premaxillae of a Marshosaur (left) with 4 teeth and Allosaur (right) with 5 teeth. These are important, taxonomic differences.P1048 James H. Madsen Photograph CollectionP1048n067
13 A mounted skeleton of Allosaurus is the focal point of any museum exhibition. This free-standing, theropod dinosaur can be seen at the Dinosaur National Monument, Visitor Center north of Jensen in eastern Utah.P1048 James H. Madsen Photograph CollectionP1048n100
14 A poster attesting to the popularity of traveling dinosaur exhibits in Japan. The three digits on the manus suggest Allosaurus as the subject.P1048 James H. Madsen Photograph CollectionP1048n083
15 A poster attesting to the popularity of traveling dinosaur exhibits in Japan. The three digits on the manus suggest Allosaurus as the subject.P1048 James H. Madsen Photograph CollectionP1048n082
16 After working tirelessly for several hours, the crew exposes a Camarasaur rib.P1048 James H. Madsen Photograph CollectionP1048nQBD16
17 Alan "Snaker".P1048 James H. Madsen Photograph CollectionP1048nPEO06
18 Alan Staker (Independent).P1048 James H. Madsen Photograph CollectionP1048nPEO08
19 Allosaurus femur in cross section showing laminar bone (black) and calcite filled marrow cavity (white).P1048 James H. Madsen Photograph CollectionP1048nRES18
20 Allosaurus skull and limb elements.P1048 James H. Madsen Photograph CollectionP1048nIN_A06
21 An unusual node near the distal end of a sauropod rib has been thin- sectioned to determine the nature of the pathology. (July 1972)P1048 James H. Madsen Photograph CollectionP1048n061
22 An unusually complete skull of a very large allosaur, originally collected at Dinosaur National Monument, is being prepared there by senior laboratory technician, Tobe Wilkens. There is cooperation and an ongoing exchange of ideas among the keepers and students of Utah's dinosaurs.P1048 James H. Madsen Photograph CollectionP1048n057
23 Another impressive, full-scale, life-like reproduction of a Morrison Formation dinosaur is the fiberglass model of Stegosaurus at Dinosaur National Monument near Jensen, Utah. The breathtaking Quarry exhibits of fossil bones exposed there are world famous and dinosaur paleontologists and tourists come from almost every country to see them.P1048 James H. Madsen Photograph CollectionP1048n071
24 Another view of the limestone cap showing the undulating surface of the underlying fossiliferous, bentonitic shale.P1048 James H. Madsen Photograph CollectionP1048nGS06
25 Anterior centrum, Camarasaurus.P1048 James H. Madsen Photograph CollectionP1048nIN_B16
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