© 2002 STEPHEN J. KRASEMANN/DRK PHOTO
A narrow block of ice cut from the face of an ice patch reveals the multiple layers of preserved caribou dung hidden within. Radiocarbon dating of the dung provides the chronology for ice patch research.
GOVERNMENT OF YUKON
© 2002 STEPHEN J. KRASEMANN/DRK PHOTO
A stunning collection of ancient organic artifacts has been recovered from melting ice patches in northwest Canada.
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By Catherine Dold
Researchers examine an arrow shaft complete with projectile point and fletching. fall • 2004
