Minnesota's geology
Ojakangas, Richard W.
Minnesota's geology [electronic resource] / Richard W. Ojakangas, Charles L. Matsch ; drawings, charts, and graphs by Dan Beedy. - Minneapolis : University of Minnesota Press, c1982. - ix, 255 p. : ill. (some col.).
Includes bibliographical references and index.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.
Geology--Minnesota.
Geology.
Electronic books.
QE127 / .O38 1982
Minnesota's geology [electronic resource] / Richard W. Ojakangas, Charles L. Matsch ; drawings, charts, and graphs by Dan Beedy. - Minneapolis : University of Minnesota Press, c1982. - ix, 255 p. : ill. (some col.).
Includes bibliographical references and index.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.
Geology--Minnesota.
Geology.
Electronic books.
QE127 / .O38 1982