1875: the Silver King Mine is discovered in the Pinal Mountains. The first ore taken from the mine is assessed at $4,300 per ton.
1906: A meeting of the Board of School Trustees addresses the "unbecoming conduct" of six teachers in Tucson Public Schools. The teachers had gone on a Sunday picnic to Sabino Canyon at which they "drank beer and wine and smoked cigarettes."
1907: The Territorial Legislature moves the Territorial Prison from Yuma to Florence.
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