Search Results       Your search for [subject]Natural gas -- Geology -- Congresses returned 1 record.           Unconventional methods in exploration for petroleum and natural gas : a symposium under the auspices of the Institute for the Study of Earth and Man, Southern Methodist University. Dallas: Southern Methodist University, 1969. Subject: Petroleum -- Prospecting -- Congresses; Natural gas -- Prospecting -- Congresses; Petroleum -- Geology -- Congresses; Natural gas -- Geology -- Congresses.          Add to Book Cart Relevance: 22.26%