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.
Symbol is a dashed line that is used more than one type of hydrography FCode.
Public Domain.
Symbol is a dashed line that is used for more than one Hydrography FCode.
