La. Navigation and Shipping § 34:1601
The Twin Parish Port District, (previously known as the "Delcambre Port Commission") hereinafter referred to as the district, is hereby created as a political subdivision of the state of Louisiana, and its territorial limits are hereby fixed as follows:
Iberia Parish: Beginning at a point on the boundary line between St. Martin Parish and Iberia Parish, at the point where the centerline of La. 182 intersects said boundary line, thence southeasterly along the centerline of La. 182 to its intersection with the centerline of La. 88; thence southwesterly along the centerline of La. 88 to its intersection with the range line between R5E and R6E, and thence southerly along said range line to its intersection with Parish Road 508; thence westerly along said Parish Road 508 to its intersection with the centerline of U.S. Highway 90; thence southeasterly along the centerline of U.S. 90 to its intersection with La. 3013; thence southwesterly to a point 1000 feet from the western right of way line of U.S. Highway 90; thence southeasterly parallel to and 1000 feet from U.S. Highway 90 to the southwestern right-of-way line of U.S. Highway 90, to the section line between Sections 20 and 21 T12S, R6E, Southwestern Land District; thence southerly between Sections 20 and 21, and between Sections 29 and 28, to the north line of Section 87, T12S, R6E; thence in a straight line to the corner common to Sections 16, 19, and 20, in T13S, R6E; thence continuing south between Section 19 and 20, 37 and 38, 45 and 44, to the corner common to Sections 44, 45, 48, and 49, in T13S, R6E; thence westerly between Sections 45 and 48 to the corner common to Sections 45, 46, 47 and 48, in T13S, R6E, thence south between Sections 47 and 48, T13S, R6E, and continuing south between Sections 5 and 6, 8 and 7 to the northern shore of Vermilion Bay; thence generally easterly and southerly along the northern and eastern shoreline of Vermilion Bay to the boundary line between Iberia and St. Mary Parishes; thence following said boundary line to and through East Cote Blanche Bay, West Cote Blanche Bay and thence southerly along said boundary line to the lower limits of Iberia Parish in the Gulf of Mexico; thence generally westerly following the southern limits of Iberia Parish to its intersection with the boundary line between Iberia Parish and Vermilion Parish; thence continuing westerly along the southern limits of Vermilion Parish to a point due south of the most westerly western line of the Paul Rainey Wildlife Game Refuge; thence north to the shoreline of the Gulf of Mexico; thence easterly following said shoreline of the Gulf of Mexico to Southwest Pass; thence following the western shoreline of Southwest Pass and Vermilion Bay around to the boundary line between Vermilion Parish and Iberia Parish; thence following the boundary line between Iberia Parish and Vermilion Parish in a generally northerly direction to and around Lake Peigneur and continuing northerly along said line and the line between Iberia and Lafayette Parishes to the point common to Iberia, Lafayette and St. Martin Parishes; thence easterly along the boundary line between Iberia and St. Martin Parishes to the point of beginning, to the intersection of La. 182.
Vermilion Parish: Wards one and all of Ward 2 less and except that portion of Ward 2 lying West of the following described line, beginning at a point on the common boundary line of Wards 2 and 3 formed by the intersection of the centerline of Youngs Coulee and the West line of Fractional Section 8, T 13 S-R 4 E, thence in a Southerly direction through T 13 S-R 4 E along the West lines of Fractional Section 17, Section 20, Section 29, and Section 32 to the North Line of T 14 S-R 4 E, thence continuing Southerly through T 14 S-R 4 E along the West lines of Sections 5, 8, 17, 20, 29 and 32 to the North Line of T 15 S-R 4 E, thence continuing through T 15 S-R 4 E, in a Southerly direction along the West Line of Section 6 and 7 to the Vermilion Bay Shoreline, thence in a Southeasterly direction through Vermilion Bay to a point located on the common boundary line between Vermilion Parish Wards 2 and 7 whose geographic position is 29°42'30" North Latitude, 92°5'00" West Longitude.
La. Navigation and Shipping § 34:1601