GSA Today
Volume 19, Number 8 (August 2009)

About the cover:
Following the footsteps of stampeders to the Klondike creeks, scientists from across Canada and abroad were lured to the area by reports of spectacular ice-age fossils from the permafrost, including this mammoth skull (not mastodon as written) recovered from Quartz Creek following the Gold Rush. Photo courtesy Dawson City Museum Archives (1990.54.35). See “The Klondike goldfields and Pleistocene environments of Beringia” by D.G. Froese et al., p. 4–10.