Charles Alfred "Andy"^[1] Anderson (June 6, 1902 – January 9, 1990^[2]) was an American geologist.^[1] He was the chief geologist of the United States Geological Survey from 1959 to 1964.^[3]

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Anderson attended Pomona College, graduating in 1924.^[4] He earned his doctorate from the University of California, Berkeley in 1928.^[2]

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Anderson taught at UC Berkeley for 14 years.^[3] He began a career with the United States Geological Survey in 1942, and was its chief geologist from 1959 to 1964.^[3]