T.J. Engineering, INC. No description specified. 1-4 (4 Records) Documents A Coal Mine Survey Near Beefhide, Letcher County, Kentucky (1992) Coal Mine Survey Along Lee Andrews Branch, Bell County, Kentucky (1993) A Coal Mine Survey Along Mud Creek, Whitley County, Kentucky (1992) A Coal Mine Survey on Shy Mug Branch in Knox County, Kentucky (1992)