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Silver River, Keweenaw County, Michigan, USA
at the bridge east of Eagle Harbor, Keweenaw County.
latitude: 47.463299
longitude: -88.072502
Precision of location: Gauged from chart or map
Site Named Here: By name of site (or city, etc.)
| Phagocata morgani | Aug 18, 1940 | One very small individual under a stone. Water temperature 14.5 degrees C. Swift current; bottom, mud and stones. |