He also served as a federal geologist for the U.S. Geological Survey .
Owen became the first state geologist of three states : Kentucky ( 1854 -- 57 ) , Arkansas ( 1857 -- 59 ) , and Indiana ( 1837 -- 39 and 1850 -- 60 ) .
Owen also served as a federal geologist for the U.S. Geological Survey .
Owen became the first state geologist of three states : Kentucky ( 1854 -- 57 ) , Arkansas ( 1857 -- 59 ) , and Indiana ( 1837 -- 39 and 1850 -- 60 ) .