AMERICAN ASSN. OF PETROLEUM GEOLOGISTS, INC.
Theory of continental drift; a symposium on the origin and movement of land masses, both inter-continental and intra-continental, as proposed by Alfred Wegener, and others.
AMERICAN ASSN. OF PETROLEUM GEOLOGISTS, INC. Theory of continental drift; a symposium on the origin and movement of land masses, both inter-continental and intra-continental, as proposed by Alfred Wegener, and others. © 17Mar28; A1069960. American Assn. of Petroleum Geologists, Inc. (PCW); 20Feb56; R165116.
American Assn. of Petroleum Geologists, Inc.|PCW