Year
Unknown
Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Pearson
1982
Venezano's map, copied from David Sager:
Glacier Esperanto Norte (= glacier del Tunel). Up the arroyo Esperanza.
CRESTA
1007' 2200m
a plunge pool into the ice of the glacier. The rats were in the ice a few meters below this pool.
Lago
1967
* imbeded Cruzonaya en hielo