It took $2.45 million, 80 men and 18 Caterpillar tractors working with 28 engineers and others from the U.S. Bureau of Roads to build the 35-mile road to the top of Kitt Peak National Observatory in 1960. It was a treacherous job. "Make one wrong turn and you're in trouble," said a dozer operator.
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The biggest telescopes on the mountain will have to find new uses, new users and new money in the coming years.