02130oam 2200577 450 991070413680332120151210100514.0(CKB)5470000002438298(OCoLC)654334798(EXLCZ)99547000000243829820100809g19421944 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSpirit leveling in Illinois, 1896-1942 /prepared in cooperation with the State of Illinois, Department of Registration and Education, Geological Survey Division[Washington, D.C.] :United States Department of the Interior, Geological Survey,1944.Washington :United States Government Printing Office.1 online resource (2 volumes) illustrations, mapsBulletin / United States Department of the Interior, Geological Survey ;930At head of title: United States Department of the Interior, Geological Survey.Title from title screen (viewed Dec. 9, 2015).Issued in two volumes, each volume has two parts.Includes bibliographical references and index.vol. 1, pt. 1. Southern Illinois -- vol. 1, pt. 2. West-central Illinois -- vol. 2, pt. 3. East-central Illinois -- vol. 2, pt. 4. Northern Illinois.LevelingIllinoisBench-marksIllinoisAltitudesfastBench-marksfastLevelingfastIllinoisAltitudesIllinoisSurveysIllinoisfastLevelingBench-marksAltitudes.Bench-marks.Leveling.Geological Survey (U.S.),Illinois State Geological Survey,OCLCEOCLCEOCLCQOCLCFOCLCOGPOBOOK9910704136803321Spirit leveling in Illinois, 1896-19423346492UNINA