398 University of California Publications in Agricultural Sciences [Vol. 1 



Chase Creek, the San Francisco River, or the Gila River. The 

 ease was appealed to the territorial Supreme Court where, how- 

 ever, the decision was confirmed in March, 1909. The case was 

 again appealed by the Arizona Copper Company to the Supreme 





Fig. 1. — General map of the Clifton-Morenci and Gila Eiver mining and 



irrigation district, Arizona 



Court of the United States, where it was again and finally de- 

 cided in favor of the farmers on June 16, 1913. 



During and since the occurrences above mentioned, large 

 quantities of solid wastes have been impounded by the copper 

 companies in settling basins constructed for their storage in the 



