THE PRECAMBRIAN GEOLOGY AND GEOCHRONOLOGY OF MINNESOTA - Goldich, Samuel S.; Nier, Alfred O.; Baadsgaard, Halfdan; Hoffman, John H. (Minneapolis University Of Minnesota Press, 1961)
University Of Minnesota. Minnesota Geologica Survey Bulletin 41
Keywords: Geology, Stratigraphic-Pre-Cambrian; Geology -- Minnesota; Geological Time