01481oam 2200445 450 991070560830332120170912141433.0(CKB)5470000002452318(OCoLC)988942326(OCoLC)1003324428(OCoLC)995470000002452318(EXLCZ)99547000000245231820170605d2017 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAdvanced National Seismic System, current status, development opportunities, and priorities for 2017-2027 /by U.S. Geological SurveyRevised: July 2017 (ver. 1.1) online and in print.Reston, Virginia :U.S. Geological Survey,2017.1 online resource (vii, 32 pages) color illustrations, color mapsCircular ;1429Includes bibliographical references (page 28).Seismic networksUnited StatesSeismic networksfastUnited StatesfastSeismic networksSeismic networks.551.2028/7GPOGPOOCLCOOCLCFMERUCGPOBOOK9910705608303321Advanced National Seismic System, current status, development opportunities, and priorities for 2017-20273287042UNINA