Lockley, M. G. frey50
Dinosaur lake: The story of the Purgatoire ValleyDinosaur Tracks the story of the Purgatoire Valley dinosaur tracksite area / Story of the Purgatoire Valley dinosaur tracksite area Martin G. Lockley, Barbara J. Fillmore, Lori Marquardt. - Denver, Colo. : Colorado GeologicalSurvey, 1997 - v, 64 p. : ill. (some col.), maps (some col.) ; 26 cm. - Special publication ; 40 . - .
Includes bibliographical references (p. 60-64).
1884216536
97219051
Dinosaur tracks--Colorado--Las Animas County.
Dinosaurs--Colorado--Las Animas County.
QE862.D5 / L574 1997
567.9/09788/96
Dinosaur lake: The story of the Purgatoire ValleyDinosaur Tracks the story of the Purgatoire Valley dinosaur tracksite area / Story of the Purgatoire Valley dinosaur tracksite area Martin G. Lockley, Barbara J. Fillmore, Lori Marquardt. - Denver, Colo. : Colorado GeologicalSurvey, 1997 - v, 64 p. : ill. (some col.), maps (some col.) ; 26 cm. - Special publication ; 40 . - .
Includes bibliographical references (p. 60-64).
1884216536
97219051
Dinosaur tracks--Colorado--Las Animas County.
Dinosaurs--Colorado--Las Animas County.
QE862.D5 / L574 1997
567.9/09788/96