01443nam 2200409 450 991071673660332120210824150321.0(CKB)5470000002524811(OCoLC)1264798040(EXLCZ)99547000000252481120210824d2020 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierProcedures and best practices for trigonometric leveling in the U.S. Geological Survey /by Michael L. Noll and Paul H. Rydlund, JrReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2020.1 online resource (vii, 93 pages) color illustrationsTechniques and methods,2328-7055 ;11-D3Includes appendix.Includes bibliographical references (pages 87-90).LevelingSurveyingInstrumentsTriangulation stationsLeveling.SurveyingInstruments.Triangulation stations.Noll Michael L.1387732Rydlund Paul H.Jr.,1968-Geological Survey (U.S.),GPOGPOBOOK9910716736603321Procedures and best practices for trigonometric leveling in the U.S. Geological Survey3437868UNINA