Showing 1 - 2 of 2 Results
1.
Illinois Mineral Industry in 1946; Report of Investigations No. 127 by Voskuil, Walter H. (Walter ... ISBN: 9781015309456 List Price: $14.95
2.
Competitive Position of Illinois Coal in the Illinois Coal Market Area; Illinois State Geolo... by Voskuil, Walter H. (Walter ... ISBN: 9781014637215 List Price: $14.95