• Format: Still Image
• Language: unknown
• Published: UM Museum of Anthropological Archaeology
• Subjects: Map: Geographic/natural features; Ice Sheet
• Online Access: http://name.umdl.umich.edu/IC-ANTHRO1IC-X-17829%5D17829; http://quod.lib.umich.edu/cgi/i/image/api/thumb/anthro1ic/17829/17829/!250,250

Radiocarbon isochrones of the retreat of the Laurentide ice sheet.