108 



YEARBOOK, PUBLIC MUSEUM, MILWAUKEE 



[Vol. II. 



have, in very recent years, been made use of by a geologist, Mr. L. F. 

 Noble, who has done a great amount of detailed work in this vicinity, 

 the results of which have been published by the United States Geo- 

 logical Survey. 



In establishing any habitation on the south rim of the canyon, it 

 is necessary to provide an artificial water supply. Thit was at first 

 obtained by Mr. Bass from springs situated from forty to sixty miles 

 to the south, but later he constructed an underground cistern or reser- 

 voir which was filled with snow during the winter, and which vielded 



Fig. 62. — Cliff dwelling near Lincoln Point, Grand Canyon. 



throughout the summer cold water for the use of his family. In April, 

 1922, an earthquake occurring at this place, broke the walls of this cis- 

 tern and destroyed its further usefulness. 



Throughout all parts of the canyon there are many remains of the 

 cliff dwellers and other Indians who have at various times inhabited 

 the region. In the district about Shinumo Amphitheatre, these are 

 especially numerous and noticeable. The Indians at one time had a 

 considerable amount of tilled land about the springs on Shinumo Creek, 

 and made use of whatever agricultural possibilities the region had. 

 Their houses can now be seen in various parts of the upper wall of 



