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Tahquamenon River, Luce County, Michigan, USA
below the Upper Falls.
latitude: 46.571701
longitude: -85.2491
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Dugesia tigrina | Aug 12, 1940 | several large, asexual specimens of the spotted type, under stones (coll. Stephen P. Hatchett). Water warm, clear, highly colored, current sluggish; bottom, sand and clay, with stones. |