LEADER 01928oam 2200517 450 001 9910689975403321 005 20190315101637.0 035 $a(CKB)5470000002333496 035 $a(OCoLC)1041735375 035 $a(OCoLC)995470000002333496 035 $a(EXLCZ)995470000002333496 100 $a20180622d1985 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aAPSAS, an Automated Particle Size Analysis System /$fby L.J. Poppe, A.H. Eliason, and J.J. Fredericks 210 1$a[Reston, Virginia] :$cDepartment of the Interior, U.S. Geological Survey,$d1985. 215 $a1 online resource (iii, 77 pages) $cillustrations 225 1 $aU.S. Geological Survey circular ;$v963 300 $aTitle from title screen (viewed June 22, 2018) 300 $a"A computer-based system designed to rapidly and accurately perform sediment grain-size analyses and calculate statistics." 320 $aIncludes bibliographical references (page 8). 517 $aAPSAS, an Automated Particle Size Analysis System 606 $aAPSAS (Computer system) 606 $aParticle size determination$xData processing 606 $aAPSAS (Computer system)$2fast 606 $aParticle size determination$xData processing$2fast 615 0$aAPSAS (Computer system) 615 0$aParticle size determination$xData processing. 615 7$aAPSAS (Computer system) 615 7$aParticle size determination$xData processing. 700 $aPoppe$b Lawrence J.$01395253 702 $aEliason$b A. H. 702 $aFredericks$b J. J. 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910689975403321 996 $aAPSAS, an Automated Particle Size Analysis System$93530482 997 $aUNINA