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This is a report of geochemical data from various media collected on Isle Royale, a large island in northeastern Lake Superior. Isle Royale became a national park in 1940 and was designated as a wilderness area in 1976.USGS sampling began in 1996 as part of a larger project on the Midcontinent Rift in the Lake Superior region. Data are given in nine Microsoft Excel spreadsheets. All the data are newly acquired by the USGS.
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This is a report of geochemical data from various media collected on Isle Royale, a large island in northeastern Lake Superior. Isle Royale became a national park in 1940 and was designated as a wilderness area in 1976. USGS sampling began in 1996 as part of a larger project on the Midcontinent Rift in the Lake Superior region. Data are given in nine Microsoft Excel spreadsheets. All the data are newly acquired by the USGS.
    map background search result map search result map Bedrock, soil, and lichen geochemistry from Isle Royale National Park, Michigan Bedrock, soil, and lichen geochemistry from Isle Royale National Park, Michigan Bedrock, soil, and lichen geochemistry from Isle Royale National Park, Michigan Bedrock, soil, and lichen geochemistry from Isle Royale National Park, Michigan