R
Richard W. Ojakangas
11 works on record
Works
Roadside geology of Minnesota
Minnesota's geology, by Richard W. Ojakangas and Charles L. Matsch
Basement Tectonics 10
Middle Proterozoic to Cambrian rifting, central North America
Minnesota's geology
Schaum's outline of theory and problems of introductory geology
The earth, past & present
Precambrian geology of the southern Canadian Shield and the eastern Baltic Shield
Precambrian geology of the southern Canadian Shield and the eastern Baltic Shield
Early Proterozoic Rocks of the Great Lakes Region
Early Proterozoic Rocks of the Great Lakes Region
Sedimentology and Provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, Northern Michigan
Sedimentology and Provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, Northern Michigan
Geology, sulfide mineralization, and geochemistry of the Birchdale-Indus area, Koochiching County, northwestern Minnesota
Geology, sulfide mineralization, and geochemistry of the Birchdale-Indus area, Koochiching County, northwestern Minnesota