Friday, December 4th
On this date in 1856, the first Post Office to be opened in Arizona Territory was established at Fort Buchanan in the Sonoita Valley.
On this date in 1871, it rained continuously in Clifton for 30 hours. The resulting floods killed 18 people.
On this date in 1871, the Silver Queen Mine was recorded.
Photos : Sonoita Valley, Arizona)