TY - BOOK ID - 136634948 TI - Mineral resources summary of the Ovilla quadrangle, Tennessee AU - Colvin, John M. AU - Barnes, Robert H. PY - 1963 PB - Nashville : State of Tennessee, Department of Conservation, Division of Geology DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136634948 AB - ER -