The Wisconsin River, Paul Seifert, Bogus Bluff, Richland City, and the ancient cultures that once thrived there, all have something in common: mystery. For 10,000 years humans have occupied the delta at the confluence of the Wisconsin and the Pine Rivers; inhabitants of distinctly different eras have left behind clues to their existence. The most recent-the Native American Indians-have given us a bounty of lore and legend. A mysterious letter in the hands of German emigrant Paul Seifert in the Nineteenth Century helps set the scene for another one of the river valley's most puzzling secrets....

The Wisconsin River, Paul Seifert, Bogus Bluff, Richland City, and the ancient cultures that once thrived there, all have something in common: mystery. For 10,000 years humans have occupied the delta at the confluence of the Wisconsin and the Pine Rivers; inhabitants of distinctly different eras have left behind clues to their existence. The most recent-the Native American Indians-have given us a bounty of lore and legend. A mysterious letter in the hands of German emigrant Paul Seifert in the Nineteenth Century helps set the scene for another one of the river valley's most puzzling secrets....