46 C.F.R. § 7.105 Marquesas Keys, FL to Rio Grande, TX.
Title 46 - Shipping
A line drawn from Marquesas Keys, Florida at approximate position latitude 24°47.5' N, longitude 82°11.2' W; along the 12-mile line which marks the seaward limits of the territorial sea (as defined in 33 CFR 2.22(a)(1)) to Rio Grande, Texas at approximate position latitude 25°58.6' N, longitude 96°55.5' W. [USCG-2001–9044, 68 FR 42602, July 18, 2003]
Title 46: Shipping
PART 7—BOUNDARY LINES
Gulf Coast
§ 7.105 Marquesas Keys, FL to Rio Grande, TX.