DCHP-1 Online
range line † West 
n. the principal meridian forming the boundary between rows of townships.
See also: range ((n.)) (def. 3)
- 1925 When he reached the Range Line, he was six miles south of his farm.
- 1955 The road to Brooksby on the range line is impassable in places. . . .
- 1963 Every six miles between meridians are other north-south lines called range lines.
- 1925 When he reached the Range Line, he was six miles south of his farm.