Structure of Herrin (no. 6) coal bed in Hamilton, White, Saline, and Gallatin Counties, Illinois, north of Shawneetown fault(English, Hardcover, Gilbert H. Cady) | Zipri.in
Structure of Herrin (no. 6) coal bed in Hamilton, White, Saline, and Gallatin Counties, Illinois, north of Shawneetown fault(English, Hardcover, Gilbert H. Cady)
Structure of Herrin (no. 6) coal bed in Hamilton, White, Saline, and Gallatin Counties, Illinois, north of Shawneetown fault(English, Hardcover, Gilbert H. Cady)