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Big Stone Creek, Emmet County, Michigan, USA
Wilderness State Park
latitude: 45.739601
longitude: -84.897102
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
| Curtisia foremani | Jun 29, 1940 | One cocoon. Water clear, current mostly sluggish, but in some places rapid; bottom, mud and stones. | ||
| Curtisia foremani | Jul 3, 1940 | Many mature and immature specimens and numerous cocoons collected under stones. Water temp 17.7 degrees C. Water clear, current mostly sluggish, but in some places rapid; bottom, mud and stones. | ||
| Procotyla fluviatilis | Jul 3, 1940 | about twenty-five specimens of P. fluviatus of different sizes (3-15 mm), two of them with sex organs; also many specimens of Curtisia foremani. Water clear, current mostly sluggish, but in some places rapid; bottom, mud and stones. |