TY - RPRT TI - Documentation for 2003 USGS Seismic Hazard Maps for Puerto Rico and the U.S. Virgin Islands AU - C.S. Mueller AU - A.D. Frankel AU - M.D. Petersen AU - E. V. Leyendecker PY - 2003 DO - 10.3133/ofr03379 UR - https://pubs.usgs.gov/publication/ofr03379 ID - ofr03379 ER -