Richard W. Ojakangas

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Books by Richard W. Ojakangas (50 max)

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Sedimentology and provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, northern Michigan: regional stratigraphic implications and suggested correlations

1994

Richard W. Ojakangas

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The earth, past& present

1976

Richard W. Ojakangas

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Basement Tectonics 10

2010

Richard W. Ojakangas, Albert B. Dickas, Green, John C.

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Geology, sulfide mineralization, and geochemistry of the Birchdale-Indus area, Koochiching County, northwestern Minnesota

1977

Richard W. Ojakangas

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Minnesota's geology

1982

Richard W. Ojakangas

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Minnesota's geology, by Richard W. Ojakangas and Charles L. Matsch

1982

Richard W. Ojakangas, Charles L. Matsch

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Precambrian geology of the southern Canadian Shield and the eastern Baltic Shield: U.S.A.-U.S.S.R.-Canada joint seminar, August 21-23, 1990, Duluth, Minnesota

1991

Richard W. Ojakangas

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Schaum's outline of theory and problems of introductory geology

1991

Richard W. Ojakangas

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Middle Proterozoic to Cambrian rifting, central North America

1997

Richard W. Ojakangas, Albert Brinkley Dickas, Green, John C.

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Roadside geology of Minnesota

2009

Richard W. Ojakangas

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Roadside geology of Minnesota

2009

Richard W. Ojakangas

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Early Proterozoic Rocks of the Great Lakes Region Sudbury, Ontario, Canada to Duluth, Minnesota, U. S. a, July 1 - 7 1989

2013

G. B. Morey, Ken Card, Klaus Schulz, John S. Jasner, Richard W. Ojakangas