'The 600,000-square-mile bottom of this gulf off the southern U.S. includes the Sigsbee Abyssal Plain'
the Gulf of Mexico
BIG BOTTOM: The 600,000-square-mile bottom of this gulf off the southern U.S. includes the Sigsbee Abyssal Plain
The 600,000-square-mile bottom of this gulf off the southern U.S. includes the Sigsbee Abyssal Plain
The 600,000-square-mile bottom of this gulf off the southern U.S. includes the Sigsbee Abyssal Plain
BIG BOTTOM
the Gulf of Mexico
BIG BOTTOM