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01491nam a2200349 a 4500 001 2145FAA82ACD11DE8802FF04A8D7520A 005 200904161625.0 007 he-bmb024bbca 008 940706s1993 cou bb f000 0 eng d 035 $a (OCoLC)30712976 040 $a GPO $c GPO $d SILO $d SILO 074 $a 0624-H (MF) 086 0 $a I 19.76:93-336 100 1 $a Marshall, Brian D. 245 1 $a Conversion of the Radiometric Age Data Bank (RADB) to the National Geochronological Data Base (NGDB) $h [microform] / $c by Brian D. Marshall. 260 $a Denver, Colo. : $b [Books and Open-File Reports Section, distributor, $b [Books and Open-File Reports Section, distributor, $c 1993] 300 $a 76 p. ; $c 28 cm. 490 1 $a Open-file report ; $v 93-336 500 $a Distributed to depository libraries in microfiche. 500 $a Shipping list no.: 94-0209-M. 504 $a Includes bibliographical references (p. 13). 533 $a Microfiche. $b [Denver, Colo. : $c U.S. Geological Survey, $d 1994] $e 1 microfiche : negative. 650 0 $a Geological time $x Databases. 650 0 $a Information storage and retrieval systems $x Geology. 650 0 $a Radioactive dating $x Databases. 710 2 $a Geological Survey (U.S.) 830 0 $a U.S. Geological Survey open-file report ; $v 93-336. 939 $a 531104 941 $a 2 952 $l OVUX522 $d 20180116104955.0 952 $l USUX851 $d 20160817070158.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=2145FAA82ACD11DE8802FF04A8D7520AInitiate Another SILO Locator Search