Hidden Thunder: Rock Art of the Upper Midwest mystery Stories of abuse

Stories of abuse

to feel the pulse of the earth

the electrifying proximity of the world of animals

We stare at each other because we don't know which tribe

That's why some images of Indians can be so unexpected and disorienting: What is Geronimo doing sitting in a Cadillac

Hidden Thunder: Rock Art of the Upper Midwest mystery Stories of abuseIn Hidden Thunder, renowned watercolor artist Geri Schrab and archaeologist Robert "Ernie" Boszhardt give readers an up close and personal look at rock art. With an eye toward preservation, Schrab and Boszhardt take you with them as they research, document, and interpret at the ancient petroglyphs and pictographs made my Native Americans in past millennia. In addition to publicly accessible sites such as Wisconsin's Roche a Cri State Park and