Detroit River shoreline collapse was an illegal operation that could have been prevented

The companies responsible for a collapsed dock that spilled contaminated soil into the Detroit River in November have operated outside of the law, and no government agencies appeared to be aware of it until it was too late. Even now, more than two months after Detroit Bulk Storage caused the collapse by illegally storing an overabundance of limestone gravel along the river, the site continues to erode — with a widening sinkhole — because the companies have been slow to act.…