First, it was the Petoskey stone that drew my wife into her hobby of Michigan geology. There was less excitement with the Charlevoix Stone but then came her search for the Frankfort Green and Leland Blue slag stones. This season, her focus...
First, it was the Petoskey stone that drew my wife into her hobby of Michigan geology. There was less excitement with the Charlevoix Stone but then came her search for the Frankfort Green and Leland Blue slag stones. This season, her focus...