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formerly used by the Indians who were employed to gather sulphur at the border of the crater. The small spring of water which comes out here was the source of attraction. The altitude was about 13,200 ft. but being on the S.E. side of the mountain was a few hundred ft. below timber line. Our animals were turned down into the cañon to graze & we prepared camp. Some Arctic bluebirds, robins, Juncos, nuthatches and flickers were seen & heard here. Among the rocks I caught a Neotoma here & a Sorex, Arvicola, Orozomys & Sitomys were common in the tall grass on