Sims, P. K. (1968). Preliminary geologic map of the Vermilion district and adjacent areas, northern Minnesota. Minnesota Geological Survey, University of Minnesota : Published in cooperation with Minnesota Dept. of Iron Range Resources and Rehabilitation.
Chicago Style (17th ed.) CitationSims, P. K. Preliminary Geologic Map of the Vermilion District and Adjacent Areas, Northern Minnesota. Minneapolis: Minnesota Geological Survey, University of Minnesota : Published in cooperation with Minnesota Dept. of Iron Range Resources and Rehabilitation, 1968.
MLA (9th ed.) CitationSims, P. K. Preliminary Geologic Map of the Vermilion District and Adjacent Areas, Northern Minnesota. Minnesota Geological Survey, University of Minnesota : Published in cooperation with Minnesota Dept. of Iron Range Resources and Rehabilitation, 1968.