Lockley, M. G.        frey50        <br/><br/>
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 .
 - .
<br/><br/>Includes bibliographical references (p. 60-64). 
<br/><br/><label>ISBN: </label>1884216536 
<br/><br/><label>LCCN: </label>97219051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dinosaur tracks--Colorado--Las Animas County.<br/>Dinosaurs--Colorado--Las Animas County.
<br/><br/><label>LC Class. No.: </label>QE862.D5  / L574 1997 
<br/><br/><label>Dewey Class. No.: </label>567.9/09788/96