The Cimarron meridian, in longitude 103° west from Greenwich, extends from latitude 36° 30′ to 37° north, and, with the base line in latitude 36° 30′ north, governs the surveys in Oklahoma west of 100° west longitude from Greenwich.

Sources

• Raymond, William Galt (1914). Plane Surveying for Use in the Classroom and Field (via Internet Archive). New York: American Book Company.