Directory of Illinois Mineral Operators, to Accompany Mineral Industries Map, September 1, 1920: Comp. By H. P. Christensen (1921)

by Illinois State Geological Survey Paperback details (USA). (see also: Leather Bound) details (Canada). (see also: Leather Bound) ISBN: 978-1-112-51403-6 ISBN-10: 1-112-51403-1 Cornell University Library · 2009