In case you’re new in town, three and a half years ago an Enbridge pipeline broke, causing a huge oil spill near Marshall, Michigan.
The case of the mystery rocks
A couple of years ago, I met Craig Ritter while doing some reporting on the river cleanup.
He’s your typical, passionate, Michigan out-of-doors type.
He says he was out fishing last summer.
“I started noticing these weird formations that I’d never seen before,” Ritter said.