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2. Sierrita mine - Wikipedia

   en.wikipedia.org/wiki/Sierrita_Mine

   2007. The Sierrita Mine is a large copper mine located in the Sierrita Mountains of Arizona, in southwestern United States. 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 ...

3. Rosemont Copper - Wikipedia

   en.wikipedia.org/wiki/Rosemont_Copper

   The Rosemont Copper property is located in Pima County, approximately 30 miles (48 km) southeast of Tucson. It straddles two historic mining districts: the Rosemont Mining District and the adjacent Helvetia Mining District. Copper became the focus of mining in the Santa Cruz Valley and elsewhere in Southern Arizona beginning in the late 1880s.

4. Resolution Copper - Wikipedia

   en.wikipedia.org/wiki/Resolution_copper

   Resolution Copper has proposed to give the federal government 5,376 acres (21.76 km 2) of environmentally sensitive land in Arizona in exchange for the 2,422-acre (9.80 km 2) oak flat federal parcel, which includes the Oak Flat Campground (protected since 1955) and several outdoor climbing sites including the Mine, Atlantis and the Pond.

5. Green Valley, Henderson - Wikipedia

   en.wikipedia.org/wiki/Green_Valley,_Henderson

   Green Valley is a master planned community located in Henderson, Nevada, and Southern Nevada's first master-planned community built before Summerlin. The Green Valley Master Community development was founded in 1978 by American Nevada Corporation in an area of 8,400 acres (34 km 2 ) in the southeast part of the Las Vegas Valley .

6. Copper Fire - Wikipedia

   en.wikipedia.org/wiki/Copper_Fire

   The Copper Fire was a wildfire in Los Angeles County, Southern California, in June 2002. After igniting on June 5 near the city of Santa Clarita, the fire burned for a week and consumed 23,407 acres (9,472 hectares), damaging wildlife habitat and historic structures in the Angeles National Forest before it was fully contained on June 12.

7. Schinasi Mansion - Wikipedia

   en.wikipedia.org/wiki/Schinasi_Mansion

   The roof is a mansard terra cotta and green tile with steel girders and copper cornices. The construction manager of the mansion, Charles T. Willis, predicted the house would cost $180,000 to build, and he was right. The mansion completed construction one year after it began in 1909.