The wetlands of southern Louisiana and their drainage . iver. Most ofthe land in this area is from 1 to 3 feet above sea level, with a very small per-centage lying along the river and the larger bayous having an elevation offrom 4 to 15 feet above sea level. To the westward, between the Mississippiand the Atchafalaya Rivers, the land gradually rises from sea level along theGulf to an elevation of perhaps 15 or 20 feet along a line drawn from BatonRouge to Lafayette, except that in the immediate vicinity of the AtchafalayaRiver the land is but very little above sea level. As in the area to the
The wetlands of southern Louisiana and their drainage . iver. Most ofthe land in this area is from 1 to 3 feet above sea level, with a very small per-centage lying along the river and the larger bayous having an elevation offrom 4 to 15 feet above sea level. To the westward, between the Mississippiand the Atchafalaya Rivers, the land gradually rises from sea level along theGulf to an elevation of perhaps 15 or 20 feet along a line drawn from BatonRouge to Lafayette, except that in the immediate vicinity of the AtchafalayaRiver the land is but very little above sea level. As in the area to the east ofthe Mississippi River, there is in this section a small percentage of higher landalong the rivers and bayous. To the westward of the Atchafalaya River thereis a strip of swamp land which borders the coast line and which graduallyrises from sea level to approximately 10 or 15 feet above, at a distance of 20or 30 miles inland. 1 See especially U. S. Dept. Agr., Office Expt. Stas. Rpt. 1909, p. 415. 2 U. S. Dept. Agr., Office Expt. Stas. Bui. 5
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