Petrography and stratigraphy of glacial drift, Mesabi-Vermilion iron range area, northeastern Minnesota / by T.C. Winter, R.D. Cotter, and H.L. Young ; prepared in cooperation with the Minnesota Department of Iron Range Resources and Rehabilitation.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.
Washington : United States Government Printing Office