JEFFERS PETROGLYPHS: Experts to Interview

For immediate release

Release dated: 
April 27, 2015
Media contacts: 

Jessica Kohen, Marketing and Communications, 651-259-3148,
Tom Sanders, Jeffers Petroglyphs Historic Site, 507-628-5591,

JEFFERS PETROGLYPHS: Experts to Interview

The following topic experts can help you craft your story. Please contact us for help setting up an interview.

THOMAS SANDERS, site manager, Jeffers Petroglyphs

Tom Sanders has more than 35 years experience working at historic sites, with 17 years spent as site manager at Jeffers Petroglyphs. At Jeffers, he has concentrated on the American Indian history and culture of the site, including its concepts of sacredness, and on the diversity and richness of the prairie ecology. He has a B.A. in anthropology from Indiana University and an M.A. in archaeology from the University of Minnesota.

Topic areas: Minnesota archaeology and history of Jeffers Petroglyphs

JOE WILLIAMS, Dakota elder

For more than 20 years, Joe Williams has worked with state and federal agencies to protect sacred sites. He is frequently involved with reburial of affiliated and unaffiliated remains through the Native American Graves Protection and Repatriation Act. A lifelong student and recorder of American Indian culture, he has been particularly interested in the thousands of petroglyphs at Jeffers Petroglyphs, and has guided the development of ceremonial protocol, staff training and educational programming at the historic site since 1998. He is a member of the Sisseton Wahpeton Oyate, South Dakota.

Topic areas: American Indian history and culture, interpretation and meaning of the Jeffers Petroglyphs

BRIAN HOFFMAN, associate professor and chair, Anthropology Department, Hamline University

Professor Brian Hoffman has worked on a variety of archaeological projects including the petroglyphs at Jeffers, surveying tipi ring sites in North Dakota, excavation of a French fur trade post in Minnesota, and an ethno-archaeology study at a Yup’ik fish camp in Alaska. Most of his fieldwork has been focused on coastal sites dating to the last 2,000 years. His current interests include public archaeology and experimental archaeology with fieldwork in Minnesota and Alaska.

Topic areas: Minnesota archaeology and history of Jeffers Petroglyphs

JOHN CRIPPEN, director, Historic Sites and Museums, Minnesota Historical Society

John Crippen has worked at the Minnesota Historical Society for nearly 25 years. As head of the MNHS historic sites and museums network he oversees long-range planning, administration, preservation and interpretive goals. Prior to his current position, he was director of Mill City Museum in Minneapolis. He holds an M.A. in history museum studies from the Cooperstown Graduate Program.

Topic areas: MNHS historic sites and museums, history of Jeffers Petroglyphs