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100   $a20170605d2017      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAdvanced National Seismic System, current status, development opportunities, and priorities for 2017-2027 /$fby U.S. Geological Survey
205   $aRevised: July 2017 (ver. 1.1) online and in print.
210  1$aReston, Virginia :$cU.S. Geological Survey,$d2017.
215   $a1 online resource (vii, 32 pages) $ccolor illustrations, color maps
225 1 $aCircular ;$v1429
320   $aIncludes bibliographical references (page 28).
606   $aSeismic networks$zUnited States
606   $aSeismic networks$2fast
607   $aUnited States$2fast
615  0$aSeismic networks
615  7$aSeismic networks.
676   $a551.2028/7
801  0$bGPO
801  1$bGPO
801  2$bOCLCO
801  2$bOCLCF
801  2$bMERUC
801  2$bGPO
906   $aBOOK
912   $a9910705608303321
996   $aAdvanced National Seismic System, current status, development opportunities, and priorities for 2017-2027$93287042
997   $aUNINA