1 dataset found
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Federal
Digital Geologic-GIS Map of Isle Royale National Park and Vicinity, Michigan (NPS, GRD, GRI, ISRO, ISRO digital map) adapted from a U.S. Geological Survey Miscellaneous Geologic Investigations Map by Huber (1973), Professional Paper map by Wolff and Huber (1973), and a 7.5' Topographic Quadrangles map (1996) recent views
Department of the Interior —
The Digital Geologic-GIS Map of Isle Royale National Park and Vicinity, Michigan is composed of GIS data layers and GIS tables, and is available in the following GRI-...
1 dataset found