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National Park Michigan

Science & Research

Wood Frog in water pool

Inventory & Monitoring

"Frog loggers" record amphibian sounds around Isle Royale. Learn more about the Great Lakes Inventory & Monitoring Network.

Last updated: January 20, 2017

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Mailing Address:

800 East Lakeshore Drive
Houghton, MI 49931

Phone:

(906) 482-0984

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