Title: Jeffers petroglyphs walking tour : a journey through time /
Authors: Lothson, Gordon A., 1939-1999; Eubank, Nancy.; Eubank, Nancy,
Publisher: Minnesota Historical Society,
Year: 1974
Subjects: Petroglyphs Minnesota Guidebooks.; Jeffers Petroglyph Site (Minn.) Guidebooks.; Minnesota Antiquities Guidebooks.; Jeffers Petroglyph Site (Minn.)