That the dividing line between Albemarle and Croatan, Croatan and Roanoke, Croatan and Pamlico, Roanoke and Pamlico Sounds shall be the same as dotted red lines on chart number one hundred and forty, special issue by the United States Coast and Geodetic Survey of February, one thousand nine hundred and eleven.
(Pub. Laws 1911, ch. 178, § 1.)