who have vanished without a trace

Spanning more than four hundred years

interprets

Tribal members representing each region and experts at the National Museum of the American Indian at the Smithsonian Institution were involved in its creation

Traveling to be reunited with her family in the Arctic

Hidden Thunder: Rock Art of the Upper Midwest writing who have vanished without aIn 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