NATIONAL PARK SERVICE · news
An Afternoon with Geri Schrab and Robert Boszhardt
June 13, 2017 · Source: National Park Service
Book signing and presentation by authors Geri Schrab and Robert Boszhardt about their book Hidden Thunder: Rock Art of the Upper Midwest.
Read the official NPS sourceWhat Travelers Need to Know
Use the official notice to confirm the affected destination, dates and visitor arrangements before finalizing your trip.
Dates and operating conditions can change after publication. Check the park’s official visitor information for your travel date.
Traveler guidance by State & Nation Staff Writer.