• Lake Superior in a stormy mood. Photo copyright Craig Blacklock

    Pictured Rocks

    National Lakeshore Michigan

Water Quality

Ice bergs pile up along the Lake Superior shore.

Ice along Lake Superior

Photo courtesy of Lars Jensen

Monitoring Water Quality at Pictured Rocks National Lakeshore, Great Lakes Network Resource Brief (one page pdf)


Assessment of Coastal Water Resources and Watershed Conditions at Pictured Rocks National Lakeshore, Technical Report NPS/NRWRD/NRTR-2006/361 (large pdf, 130 pages)

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Did You Know?

The flowers of submerged buttercups rise above the surface of the water and can be quite showy, even when small.

Several species of plants in the Buttercup Family are aquatic, growing underwater in lakes and ponds.  A few are even amphibious, meaning that a single plant lives partly on sand along a shoreline and partly submerged.  Such plants have runners, like a strawberry plant, and grow roots along the runners. The submerged leaves appear quite different from the ones growing in air.