Alexis Anastay Julien (February 13, 1840 – May 7, 1919) was an American geologist who taught at Columbia University's School of Mines for many years. (en)
Alexis Anastay Julien (February 13, 1840 – May 7, 1919) was an American geologist who taught at Columbia University's School of Mines for many years. (en)