John H. Bullock, Jr... [and others] ; prepared in cooperation with the Kentucky Geological Survey, the Geological Survey Division of the Illinois Department of Energy and Natural Resources, and the Missouri Division of Geology and Land Survey
Date
1991
Series
U.S. Geological Survey open-file report ; 91-637-A
John H. Bullock, Jr... [and others] ; prepared in cooperation with the Kentucky Geological Survey, the Geological Division of the Illinois Department of Energy and Natural Resources, and the Missouri Division of Geology and Land Survey
Date
1991
Series
U.S. Geological Survey open-file report ; 91-378-A
John H. Bullock, Jr... [and others] ; prepared in cooperation with the Kentucky Geological Survey, the Geological Division of the Illinois Department of Energy and Natural Resources, and the Missouri Division of Geology and Land Survey
Date
1991
Series
U.S. Geological Survey open-file report ; 91-372-A
John H. Bullock, Jr... [and others] : prepared in cooperation with the Kentucky Geological Survey, the Geological Survey Division of the Illinois Department of Energy and Natural Resources, and the Missouri Division of Geology and Land Survey
Date
[1991]
Series
U.S. Geological Survey open-file report ; 91-387-A
John H. Bullock, Jr... [and others] ; prepared in cooperation with the Kentucky Geological Survey, the Geological Survey Division of the Illinois Department of Energy and Natural Resources, and the Missouri Division of Geology and Land Survey
Date
[1991]
Series
U.S. Geological Survey open-file report ; 91-621-A