"Box Law Plug"@en . "330.3"^^ . . "Trachyte. Igneous intrusive bedrock. Occurs onshore. Emplaced during the Early Mississippian Epoch - to - Mid Mississippian Epoch (Carboniferous Period) (359.3-330.3 Ma BP)."@en . "BXLAW"@en . "stable"@en . "359.3"^^ . . . . . "Box Law Plug"@en . "Trachyte."@en . .