TY - MAP AU - Hyne,Norman J. TI - Oil and gas field classifier PY - 1984/// CY - Tulsa, Oklahoma PB - Pennwell Publishing Company KW - Gas, natural KW - Maps KW - Oil fields N1 - Includes col. sections and text for various types of'Structural Traps,''Stratigraphic Traps,' and'Combination Traps.' ER -