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  2. Sierrita mine - Wikipedia

    en.wikipedia.org/wiki/Sierrita_Mine

    The mine is located in southern Pima County, southwest of Tucson and west of Green Valley-Sahuarita. Originally developed as an underground mine in 1907, the Sierrita open pit has been in operation since 1959 and is a copper and molybdenum mining complex, operating on a porphyry copper deposit with oxide, secondary sulfide, and primary sulfide ...

  3. Twin Buttes, Pima County, Arizona - Wikipedia

    en.wikipedia.org/wiki/Twin_Buttes,_Pima_County...

    Twin Buttes is a populated place on the east flank of the Sierrita Mountains approximately twenty miles south of Tucson, in Pima County, Arizona, United States. Named after a prominent hill located next to the town, Twin Buttes was founded as a small mining town circa 1903 and abandoned around 1930. Much of the actual town site is now buried ...

  4. Copper mining in Arizona - Wikipedia

    en.wikipedia.org/wiki/Copper_mining_in_Arizona

    By 1907, the C&A was the fourth-most productive copper mine in Arizona, and ran its own smelter in Douglas, Arizona. [5] Phelps Dodge started mining the Lavender open pit in the early 1950s. [4] The Lavender pit closed in 1974. The Copper Queen mine, Bisbee's first working mine, was also its last.

  5. List of historic properties in Goldfield, Arizona - Wikipedia

    en.wikipedia.org/wiki/List_of_historic...

    Also, pictured is an 1890 Porter 0-4-0 narrow gauge steam engine which once was used in the gold mines of Goldfield. The Main Street of the town features a reenactment of a western shootout (a photo is also included in the picture gallery). The town is located at 4650 N, Mammoth Mine Road within the jurisdiction of Apache Junction, Arizona. [8]

  6. Rosemont Copper - Wikipedia

    en.wikipedia.org/wiki/Rosemont_Copper

    Rosemont Copper is a proposed large open pit copper mine project by the Canadian mining corporation Hudbay Minerals.The project site is located within the Santa Rita Mountains and Coronado National Forest, in Pima County of southern Arizona.

  7. National Register of Historic Places listings in Pima County ...

    en.wikipedia.org/wiki/National_Register_of...

    Bounded by Grant, Tucson Boulevard, Elm St., and Campbell Ave. 32°14′53″N 110°56′23″W  /  32.2481°N 110.9397°W  / 32.2481; -110.9397  ( Catalina Vista Historic Tucson