Didymo — also called ‘rock snot’ because of its appearance — suddenly bloomed in Michigan streams in recent years, and scientists don’t really know why.
Benzie County Record Patriot on MSN

Looking back in Benzie: Trout streams may reopen

100 years ago: Conservation Commission to host meetings on opening trout streams in Benzie, Manistee, Wexford and Antrim counties.