00718oas 2200229z- 450 991013992530332120180327112728.0(CKB)954928527947(EXLCZ)9995492852794720140518cuuuuuuuu -u- -engJournal of research of the U.S. Geological Survey[Washington,]U.S. Geological Survey, etc0091-374X JOURNAL OF RESEARCH OF THE US GEOLOGICAL SURVEYJ. res. U.S. Geol. SurvEarth SciencesGeologyEarth SciencesGeologyJOURNAL9910139925303321Journal of research of the U.S. Geological Survey1968614UNINA