200 



K. Bryan — Rock Tanks and Charcos. 



The Tina j as Altas are situated in Yuma County on 

 the east side of the Tinajas Altas Mountains, part of the 

 Gila Range, 27 miles south of Wellton, and about 4 miles 

 north of the International Boundary. This locality has 

 been a camping place on the route from Sonora to the 

 junction of Gila and Colorado rivers since prehistoric 

 times. More than 300 persons are said to have died here 

 of thirst and exhaustion during the gold rush beginning 



Norm 



Mag- 



Fig. 8. Sketch map of Tinajas Altas from plane-table sheet by Kirk 

 Bryan, and sketch by C. G. Puffer. 



in 1848. About 60 graves were counted of which a few 

 are located on the map, fig. 8. The Tinajas Altas con- 

 sist of 8 tanks, distributed for 500 feet along a stream 

 course so steep that it may be considered an almost con- 

 tinuous falls. 



The map in figure 8 shows that the falls occur in an 

 indentation of the mountain front, and that a consider- 



