You searched for: Publisher Indiana. Geological Survey Remove constraint Publisher: Indiana. Geological Survey Subject Geographic Subject: Vanderburgh County (Ind.) Remove constraint Subject: Geographic Subject: Vanderburgh County (Ind.) Subject Topical Subject: Coal mines and mining Remove constraint Subject: Topical Subject: Coal mines and mining Subject Topical Subject: Geology Remove constraint Subject: Topical Subject: Geology Subject Topical Subject: IGS Annual Reports Remove constraint Subject: Topical Subject: IGS Annual Reports