In the case of the Asulkan glacier, also, observations and measurements were carried on by Messrs. Vaux and Miss Vaux.
On August 12, 1899, a rock in line with the farthest advanced ice of the forefoot was marked. On August 8, 1900, the ice had receded 24 feet. On August 6, 1901, the ice had advanced 36 feet. On July 23, 1906, the ice was again in line with the rock; that is in the same position as in 1899.
Subsequent observations by Miss Vaux show that between August 20, 1909, and July 27, 1912, the ice had retreated 259 feet from the marked rock. During the interval the observations on August 9, 1911, show that the ice had again advanced 51 feet. No measurements made since that date have come to the knowledge of the writer.
Transcriber’s Notes
- Some palpable typographical errors were corrected.
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