TY - RPRT TI - Stratigraphic and mineralogic relations and ceramic properties of clay deposits of Eocene age in the Jackson Purchase region, Kentucky, and in adjacent parts of Tennessee AU - Wilds W. Olive AU - Warren Irvin Finch PY - 1969 DO - 10.3133/b1282 UR - https://pubs.usgs.gov/publication/b1282 ID - b1282 ER -