Field trip guidebook for the Upper Mississippi valley, Minnesota, Iowa, and Wisconsin /

Bibliographic Details
Corporate Authors:	Minnesota Geological Survey, Geological Society of America. North-Central Section. Annual Meeting
Other Authors:	Balaban, Nancy
Format:	Book
Language:	English
Published:	St. Paul, Minn. : Minnesota Geological Survey, University of Minnesota, 1987.
Series:	Guidebook series (Minnesota Geological Survey) ; no. 15.
Subjects:	Mississippi River Valley > Geology > Guidebooks. Minnesota > Geology > Guidebooks. Iowa > Geology > Guidebooks. Wisconsin > Geology > Guidebooks. Geology, Stratigraphic > Ordovician.

Description
Physical Description:	iii, 185 pages : illustrations, maps ; 28 cm.
Bibliography:	Includes bibliographical references.
ISSN:	0192-6268 ;