Author: Cotter, R. D. (Ralph D.), 1929- / Year: 1964 - Yale University Library GeoBlacklight Search Results

Start Over Author Cotter, R. D. (Ralph D.), 1929- Year 1964

1. Preliminary surficial geologic map of the Mesabi-Vermilion Iron Range area, northern Minnesota [cartographic material]

1964. 2012-09-24T18:55:55Z. 2013-03-18T22:19:43Z. Cotter, R. D. (Ralph D.), 1929-. Dept. of the Interior, U.S. Geological Survey. English. Public. Minnesota, Mesabi Range, Vermilion Range, Mesabi Range (Minn.), and Vermilion Range (Minn.).

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1. Preliminary surficial geologic map of the Mesabi-Vermilion Iron Range area, northern Minnesota [cartographic material]

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