Stratigraphic studies in southwestern Montana and adjacent Idaho-lower Tertiary Anaconda Conglomerate and Mesoproterozoic Gunsight Formation / 
by J. Michael O'Neill ... [et al.]. 
 - Reston, Va. :  Denver, CO :  U.S. Geological Survey ;  For sale by U.S. Geological Survey, Information Services,  2005. 
 - 39 p. :  ill. (some col.), maps (some col.) ;  28 cm. 
 - Professional paper / Acting dir. : P.Patrick Leahy  1700 .
 - U.S. Geological Survey professional paper ;  1700. .
<br/><br/> Chapters A and B are issued as a single volume and are not available separately 
<br/><br/>Includes bibliogr. references. 
<br/><br/>Ch. A. Syntectonic Anaconda Conglomerate (new name)--a stratigraphic record of early Tertiary brittle-ductile extension and uplift in southwestern Montana / By J. Michael O'Neill -- Ch. B. Alluvial facies, paleocurrents, and source of the Mesoproterozoic Gunsight Formation, east-central Idaho and southwestern Montana / By Russell G. Tysdal ... [et al.]. 
<br/><br/><label>ISBN: </label>060795583X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Proterozoic<br/>Formations (Geology)--Montana<br/>Formations (Geology)--Idaho<br/>Rocks, Sedimentary--Montana<br/>Rocks, Sedimentary--Idaho
<br/><br/><label>Dewey Class. No.: </label>551.7/1509786