It should end up being as big as a queen or usually king, though. But half a king size bed is smaller than a normal twin, that's my point (ie, 90 cm would be a small bed used to make a king which is 180 cm, but a normal single bed should be more like 110-120 cm).
Morenci is the largest copper producer in North America and remains a major contributor to Phelps's copper output, which is second only to that of Chile's Codelco.
The vast majority of the county population lies in and around the city of Tucson (2011 city population: 525,796), filling much of the eastern part of the county with urban development. Tucson, Arizona's second largest city, is a major commercial and academic center.