01790oam 2200553 450 991070383820332120150831094735.0(CKB)5470000002435351(OCoLC)698053849(OCoLC)882514574(EXLCZ)99547000000243535120110123d1916 ua 0engurbn||||||abptxtrdacontentcrdamediacrrdacarrierSpirit leveling in Louisiana, 1903 to 1915, inclusive /R.B. Marshall[Washington, D.C.] :Department of the Interior, United States Geological Survey,1916.Washington :Government Printing office.1 online resource (101 pages, I page of plates) illustrationBulletin / Department of the Interior, United States Geological Survey ;634Title from title screen (viewed July 29, 2015).Includes index."Work during 1906 and 1909 done in cooperation with the State."LevelingLouisianaBench-marksLouisianaAltitudesfastLouisianaAltitudesLouisianaSurveysLouisianafastLevelingBench-marksAltitudes.Marshall R. B(Robert Bradford),1867-1949,1387024Geological Survey (U.S.),Louisiana,OCLCEOCLCEOCLCQOCLCFOCLCQCOPOCLCOOCLCAGPOBOOK9910703838203321Spirit leveling in Louisiana, 1903 to 1915, inclusive3495947UNINA