Churkin, Michael. <br/><br/>
Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska 
by Michael Churkin, Jr., and Claire Carter. 
 - Menlo Park, CA  Washington  U.S. Geological Survey  U.S. G.P.O.  1995. 
 - p. cm. 
 - U.S. Geological Survey professional paper  1555 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>LCCN: </label>94033018  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graptolites--Alaska--Terra Cotta Mountains.<br/>Geology, Stratigraphic--Silurian.<br/>Geology, Stratigraphic--Ordovician.<br/>Geology--Alaska--Terra Cotta Mountians.<br/>Animals, Fossil--Alaska--Terra Cotta Mountians.<br/>Paleontology--Silurian.<br/>Paleontology--Ordovocian.
<br/><br/><label>LC Class. No.: </label>QE840.5  / .C48 1995 
<br/><br/><label>Dewey Class. No.: </label>563/.993 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1555