The Saint Stephen's Meridian, in longitude 88° 02' west from Greenwich, begins at the initial point (Ellicott's Corner

Ellicott's Stone

Ellicott’s Stone, also known as the Ellicott Stone, is a boundary marker in northern Mobile County, Alabama. It was placed on April 10, 1799 by a joint U.S.-Spanish survey party headed by Andrew Ellicott...

), on the base line, in latitude 31° north

31st parallel north

The 31st parallel north is a circle of latitude that is 31 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Pacific Ocean, North America and the Atlantic Ocean.Part of the border between Iran and Iraq is defined by the parallel....

, passes through Saint Stephen's, extends south to Mobile Bay

Mobile Bay

Mobile Bay is an inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The Mobile River and Tensaw River empty into the northern end of the...

 and north to latitude 33° 06' 20", and governs the surveys in the southern district of Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

, and in Pearl River

Pearl River County, Mississippi

-National protected areas:*Bogue Chitto National Wildlife Refuge *De Soto National Forest -Demographics:The census estimates of 2006 place the county population over 57,000 and place it among the 10 fastest growing counties in the U.S. As of the census of 2000, there were 48,621 people, 18,078...

 district lying east of the river and south of the Choctaw Baseline, in latitude 31° 52' 40" north, in the state of Mississippi

Mississippi

Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

.