TY  - BOOK
AU  - Butts,Charles
TI  - The Mississippian series of eastern Kentucky: A regional interpretation of the stratigraphic relations of the sub-carboniferous group based on new and detailed field examinations,
T2  - Kentucky. Geological Survey, 1920-1932. ser. 6. [Geologic reports]
AV  - QE672 .B8
PY  - 1922///
CY  - Frankfort, Ky.
PB  - The Kentucky Geological Survey
KW  - Geology
KW  - Kentucky
KW  - Geology, Stratigraphic
KW  - Carboniferous
ER  -