Geological Survey Circular

angle point aqueduct area shown assigned attributes 050 base line canals cartographic data standards closing corners code describes code identifies Coincident feature Congress Lands Connecticut Western Reserve data category degenerate line depicted digi digital cartographic data Digital Line Graphs double-line stream east feature shown grant boundary grant corner identi intersection labeled land lines Land Survey System line code Location monument major code manmade meander corner Miami River minor code Muskingum River National Mapping Division numbered according Ohio River Survey PLSS point placed pond principal meridian Principal PM private surveys public domain Public Land Survey published map quadrangle Range Number right justified Scioto River Base section corner section line section number Seven Ranges shoreline shown by symbol single-line stream SN OH standard parallels subdivision surveyed line Symmes Purchase tized Township number Townships are numbered tract U.S. Geological Survey U.S. Military Virginia Military Reserve water body Witness corner