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AZ I. Arivaca Cienega. Acreage: 730 estimated. 



Location: Pima County; Arivaca Quadrangle; 50 miles SSW of Tucson; reached 

 via U.S. 89 to Arivaca Road and thence to Arivaca. 



Description: A level flood plain with gentle foothills in the vicinity. Upper 

 Sonoran in character, short periods of freezing temperature, 18 inches of 

 precipitation mostly in the summer months. Dominant vegetation includes Cot- 

 tonwood, ash, willow, and hackberry. Typical aquatics are Potamogeton, Cham, 

 and duckweeds. Fauna includes mule deer, antelope, cottontails, javelina. Gam- 

 ble's and Mearns' quail, snipe, and coots. Fifty nongame birds have been 

 recorded. 



References: Numerous historical references in accounts of Spanish mining and 

 early American mining activities (see Hinton. 1877. Handbook of Arizona). 



Encroachments: Heavy grazing and development pressure near the Village of 

 Arivaca. 



Ownership: Fred Noon and Fred Boyce, Arivaca P.O., Ariz. 85601. 



Data source: Wesley B. Fleming, Arizona Game and Fish Department, 1688 

 West Adams, Phoenix, Ariz. 85007. 







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