TY - RPRT TI - Volcanologic investigations in the Commonwealth of the Northern Mariana Islands, May 1992 AU - R. B. Moore AU - R. Y. Koyanagi AU - M. K. Sako AU - F. A. Trusdell AU - R. L. Ellorda AU - George Kojima PY - 1993 DO - 10.3133/ofr93541 UR - https://pubs.usgs.gov/publication/ofr93541 ID - ofr93541 ER -