House Committee on Natural Resources report on Puerto Rico's earthquakes. Puerto Rico's earthquakes - 1 online resource (12 pages) : color illustrations "Published February 2020." GPO Cataloging Record Distribution Program (CRDP). Includes bibliographical references. Subjects--Topical Terms: Earthquakes--Puerto Rico.Earthquake relief--Puerto Rico.Emergency management--Puerto Rico. Index Terms--Genre/Form: Legislative materials. GPO Item No.: 1023-C (online) Gov. Doc. Class. No.: Y 4.R 31/3:P 96