Arctic and alpine environments vol.10 [of the] proceedings [of the] VII Congress [of the] International Association for Quaternary Research, Boulder-Denver, Colorado, August 14-September 19, 1965; sponsored by U.S. National Academy of Science National Research Council
International Association for Quaternary ResearchCongress7th1965Boulder-Denver.
Wright, H. E.(Herbert Edgar)
Osburn, W. H.
Indiana U.P
1968