Published by University of Minnesota Department of Geology and Geophysics, Minnesota, 1979
Seller: Ally Press Center, St. Paul, MN, U.S.A.
First Edition
Soft cover. Condition: Very Good. 1st Edition. 6 X 9 inches, 4 page stapled paperback with red cover. Name of front cover, otherwise clean, VG. Black and white line illustrations and some maps.
Published by Minnesota Geological Society
Seller: Books & More, Darryld & Trixie Kautzmann, Lake Havasu City, AZ, U.S.A.
1966 Softcover,VG, 42 pages.
Published by St Paul, 1979
Seller: Zentralantiquariat Leipzig GmbH, Leipzig, Germany
M. zahlr. Abb. 42 S. (Educational series of the Minnesota Geolog. Survey 2). Sprache: Englisch 0 gr.