TY - BOOK ID - 138936005 TI - Field instrumentation studies of earth tremors and their geologic environments in central Utah coal mining areas AU - Osterwald, Frank W. AU - Bennetti, John B.(jr.) AU - Dunrud, C. Richard AU - Maberry, John O. PY - 1971 PB - Washington U. S. Geological Survey DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138936005 AB - ER -