01621oam 2200517 450 991070383850332120150831094723.0(CKB)5470000002435348(OCoLC)882514581(EXLCZ)99547000000243534820140702d1916 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSpirit leveling in Maine, 1899-1915 /R.B. Marshall[Washington, D.C.] :Department of the Interior, United States Geological Survey,1916.Washington :Government Printing Office.1 online resource (64 pages, I page of plates) illustrationBulletin / Department of the Interior, United States Geological Survey ;633Title from title screen (viewed July 2, 2014)."Work done in cooperation with the State."Includes index.LevelingMaineBench-marksMaineAltitudesfastMaineAltitudesMaineSurveysMainefastLevelingBench-marksAltitudes.Marshall R. B(Robert Bradford),1867-1949,1387024Geological Survey (U.S.),Maine,COPCOPOCLCOOCLCAOCLCFGPOBOOK9910703838503321Spirit leveling in Maine, 1899-19153503063UNINA