Mason, Allen C. , and A. H. Denman. Undated. Unknown Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.
citation
Mason, Allen C. , and A. H. Denman. Undated. Unknown Glacier: From the Glacier Photograph Collection. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.
Citation
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