TY - BOOK AU - Hendrickson, Walter B. CN - QE22.O9 CN - QE22.O9 CY - Indianapolis, DA - 1943. ID - 71653 PB - The Indiana historical bureau, PP - Indianapolis, PY - 1943. T1 - David Dale Owen, pioneer geologist of the Middle West, TI - David Dale Owen, pioneer geologist of the Middle West, ER -