Personen: United States Geological Survey
Titel: Atlas to accompany monograph XLV on the Vermilion iron-bearing district of Minnesota
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Atlas to accompany monograph XLV on the Vermilion iron-bearing district of Minnesota Thematische Karte - Physische KarteAtlas to accompany monograph XLV on the Vermilion iron-bearing district of Minnesota
Thematische Karte - Physische Karte