NO. 17 SMITHSONIAN EXPLORATIONS, 1QLO 19 
At last, in the cliffs above Ross Lake (fig. 15), the Albertella 
fauna was located in situ, and from the slopes above the lake a 
panoramic view (fig. 14) was taken of Mount Bosworth, above Kick- 
ing Horse Pass on the Continental Divide. Although only 9,083 feet 
in height, \lount Bosworth exposes in its slopes over 12,000 feet in 
thickness of bedded rocks that constitute one of the best sections 
of the Cambrian rocks found in the Canadian Rockies. 
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Fic. 24.—Waiting for the odds and ends for the last pack at Red Earth Creek 
camp. The last outfield camp of 1916. Photograph by Walcott, 1916. 
Considerable collections of Cambrian fossils were obtained by 
Secretary and Mrs. Walcott, who accompanied and worked with 
him throughout the trip, before the storms of late September drove 
them back to Banff and ended the research for the season. 
A few of the incidents of life along the trail are illustrated by 
figures 17 to 24. 
GEOLOGICAL PIELD STUDIES 
Dr. George P. Merrill, head curator of geology in the National 
Museum, devoted several days of the summer vacation period to 
