קובץ:NPS Voyageurs National Park schematic geologic map.png

תקציר

תיאור	English: NPS Voyageurs National Park schematic geologic map
תאריך יצירה	‏1 בינואר 2007‏
מקור	Voyageurs National Park Geologic Resource Evaluation Report
יוצר	U.S. National Park Service

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