The Petoskey stone, found only on Lake Michigan along the northwest coast of Michigan, is Michigan's state stone. They are fossilized ancient coral. i have many Petoskey stones, gathered when I was growing up near Petoskey
An Old ledger of A.A. Holmes from 1896 detailing cottages on Lyon Lake. On the inside cover is an add for the Holmes lunch counter at 329 State Street. Inside are the cost of moving cottage from Cold Springs Park to Lyon Lake, construction items for cottages, and what items were found in the kitchen, as well as what furniture Holmes used in his cottages. No word whether Florence (or Honus) Zimmermann were ever included in such a document.