When the Great Lakes Water Quality Agreement was passed in the 1970s, eutrophication was the big problem. Eutrophication occurs when too many nutrients enter a body of water, increasing the amount of ...
Rock Harbor Lighthouse Emblem icon in Isle Royale National Park, Michigan, USA Rock Harbor Lighthouse Emblem icon in Isle Royale National Park, Michigan, USA great lakes logo stock illustrations Rock ...
Cedar Lake and Brownie Lake are great backdrops for a picnic or a stroll. If you visit during the summer, you'll find a plethora of sporting and live music events at the Chain of Lakes ...
LAURIUM — the catastrophic fire that destroyed Laurium’s public works building also destroyed a significant element of local aeronautic and athletic history. The building was constructed in 1934 as a ...