Bearskin Lake (Minnesota)

Coordinates: 48°03′58″N 90°25′36″W / 48.066°N 90.426765°W / 48.066; -90.426765
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Bearskin Lake
West Bearskin Lake, Birch Lake, Muko-waiani
Location of Bearskin Lake in Minnesota
Location of Bearskin Lake in Minnesota
Bearskin Lake
LocationCook County, Minnesota
GroupBoundary Waters Canoe Area
Coordinates48°03′58″N 90°25′36″W / 48.066°N 90.426765°W / 48.066; -90.426765
Typeoligotrophic, glacial
Basin countriesUnited States
Surface area493 acres (200 ha)
Average depth31 ft (9.4 m)
Max. depth78 ft (24 m)
Residence time17 years

Bearskin Lake is an oligotrophic glacial lake near the Boundary Waters Canoe Area (BWCA) in Minnesota, United States. The name Bearskin Lake is an English translation of the Ojibwe-language name Muko-waiani.[1] Bearskin Lake is a source of control sediment for US federal sediment toxicity studies. Bearskin Lake is home to Camp Menogyn, a YMCA camp only accessible by boat.[citation needed]

Sediments and scientific significance[edit]

Due to the cleanliness of the lake and the physical attributes of its sediment, Bearskin Lake sediment is ideal for sediment toxicity testing.[2] Bearskin Lake sediment is used as a control sediment in the federal government's toxicity tests and was used to develop the US EPA's toxicity testing methods.[2]

See also[edit]

Further reading[edit]

  • US EPA. 2000. Methods for Measuring the Toxicity and Bioaccumulation of Sediment-associated Contaminants with Freshwater Invertebrates Second Edition.[2]
  • Kemble, N.E., C.G. Ingersoll, and J.L. Kunz. 2001. Evaluation of Toxicity of Sediment Samples Collected from Santa Ana National Wildlife Refuge, Texas. United States Geological Survey.[3]
  • Bechtel Jacobs Company LLC. 1998. Biota Sediment Accumulation Factors for Invertebrates: Review and Recommendations for the Oak Ridge Reservation U.S. Department of Energy.[4]
  • Mierzykowski, S.E., C.G. Ingersoll, and K.C. Carr. 1997 U.S. Fish and Wildlife Service New England Field Office Special Project Report: FY97-MEFO-1-EC Toxicity Tests and Sediment Chemistry at Site 9 (Neptune Drive Disposal Site).[5]
  • National Oceanic and Atmospheric Administration. 1996. Bioavailability of Sediment-Associated Toxic Organic Contaminants.[6]


  1. ^ Warren Upham (1920). Minnesota Geographic Names: Their Origin and Historic Significance. Minnesota Historical Society. p. 142.
  2. ^ a b c EPA, OEI, OIAA, US. "Water Topics - US EPA" (PDF). US EPA.{{cite web}}: CS1 maint: multiple names: authors list (link)
  3. ^ [bare URL PDF]
  4. ^[permanent dead link]
  5. ^ "EC Reports". Archived from the original on 2008-10-11. Retrieved 2010-01-04.
  6. ^ Research, US Department of Commerce, NOAA, Great Lakes Environmental Research Laboratory, Cooperative Institute for Limnology and Ecosystems. "Task Report".{{cite web}}: CS1 maint: multiple names: authors list (link)

External links[edit]