An official website of the United States Government Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

HomeExtended Continental Shelf Constraint Lines

hide

Extended Continental Shelf Constraint Lines

March 7, 2019

U.S. Department of State