All cities, towns, villages or other urban or suburban areas lying within the exterior boundaries of a soil and water conservation district established pursuant to the provisions of the Soil and Water Conservation Districts Law, as amended, or lying close to any such district, shall from July 27, 1966 be included in and deemed part of the district in the exterior boundaries of which it lies or the district to which it lies closest. In doubtful cases, the state committee shall determine the district of which any such urban or suburban area has become a part by virtue of this provision.
La. R.S. § 3:1218