Louisiana Meridian

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The Louisiana Meridian, in longitude 92° 24' 15" west of Greenwich, extends from the Gulf of Mexico to the north boundary of Louisiana, and with the base line through the initial point conforming to the parallel of 31° north latitude, governs all the surveys in the state west of the Mississippi River.

[edit] Source

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