Augusta Resources announced last week the signing of an agreement for the purchase of 23, 250-ton Caterpillar 793F haulage trucks [right, credit Caterpillar Corp] for the Rosemont Copper mine at a cost of $82.2 million from Empire Southwest, a Caterpillar dealership headquartered in Mesa, Arizona. The trucks are due to be delivered in late 2010 and early 2011. The Rosemont mine is undergoing an EIS by the US Forest Service, expected to be completed in 2010.