By Terry Kovarik
Those who took the time to see a cave in its natural state also got some insight into how surface contaminants can easily pollute groundwater. The Horseshoe Bay Cave tour gave visitors a view of the bedrock formations. And retired Door County Conservationist William Schuster says people will now understand how fragile the groundwater system can be.
The Horseshoe Bay Cave was open to the public for guided tours this past weekend.