Tysdal, Russell G. <br/><br/>
Revision of Middle Proterozic Yellowjacket Formation, central Idaho, and Revision of Cretaceous Slim Sam Formation, Elkhorn Mountains area, Montana / 
by R.G. Tysdal. 
 - Washington, D.C. :  Denver, CO :  U.S. G.P.O. ;  For sale by U.S. Geological Survey, Information Services,  [2000] 
 - 1 v. (various pagings) :  ill., maps (some col.) ;  28 cm. 
 - U.S. Geological Survey professional paper ;  1601 A-B .
<br/><br/> 'Chapters A and B are issued as a single volume and are not available separately.' 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0607895543 (pbk.) 
<br/><br/><label>LCCN: </label>98-018450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Proterozoic.<br/>Geology--Idaho--Yellowjacket Formation.<br/>Geology, Stratigraphic--Cretaceous.<br/>Geology--Montana--Slim Sam Formation.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Yellowjacket Formation (Idaho)<br/>Slim Sam Formation (Mont.)
<br/><br/><label>LC Class. No.: </label>QE653.5  / .T968 2000 
<br/><br/><label>Dewey Class. No.: </label>551.7/15/09796 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1601 A-B