TY - BOOK AU - Hansen,Don A.,1924- TI - Society of Exploration Geophysicists' Mining geophysics PY - 1966/// CY - Tulsa, Oklahoma PB - Society of Exploration Geophysicists KW - Prospecting KW - Geophysical methods N1 - Includes bibliographies; v. 1. Case histories.--v. 2. Theory ER -