LEADER 01729oam 2200517 450 001 9910703809203321 005 20150831095022.0 035 $a(CKB)5470000002435644 035 $a(OCoLC)882581836 035 $a(EXLCZ)995470000002435644 100 $a20140703d1918 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSpirit leveling in Illinois, 1914 to 1917, inclusive /$fR. B. Marshall 210 1$a[Washington, D.C.] :$cDepartment of the Interior, United States Geological Survey,$d1918. 210 2$aWashington :$cGovernment Printing Office. 215 $a1 online resource (108 pages, I page of plates) $cillustration 225 1 $aBulletin / Department of the Interior, United States Geological Survey ;$v672 300 $aTitle from title screen (viewed July 3, 2014). 300 $a"Work done in cooperation with the State Geological Survey of Illinois." 300 $aIncludes index. 606 $aLeveling$zIllinois 606 $aBench-marks$zIllinois 606 $aAltitudes$2fast 607 $aIllinois$xAltitudes 607 $aIllinois$vSurveys 607 $aIllinois$2fast 615 0$aLeveling 615 0$aBench-marks 615 7$aAltitudes. 700 $aMarshall$b R. B$g(Robert Bradford),$f1867-1949,$01387024 712 02$aGeological Survey (U.S.), 712 02$aIllinois State Geological Survey, 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCA 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910703809203321 996 $aSpirit leveling in Illinois, 1914 to 1917, inclusive$93461896 997 $aUNINA