Oil or gas well record in the Kentucky Geological Survey data repository.Well Number: O7 Original Operator: BLACKWELL ZINC CO, INC Farm Name: CAUDILL, E R Permit Date: Completion Date: 11/1/1960 Well Elevation (ft): 1138 Total Depth Formation: Mississippian-Borden Fm Deepest Pay Formation: Mississippian-Weir Sd Deviated or Vertical: vertical