IODP SEDIS - Thesaurus -

Mississippi River basin
BT	North America
	.Mississippi River basin
RT	Canada
	United States
	Mississippi Fan
	Mississippi River
	Ohio River basin
SN	Drainage basin including the Ohio and Missouri river systems comprises 2/5 of the total U.S. area covering all or parts of 31 states plus S Alberta and Saskatchewan. It drains much of the interior lowlands, Great Plains, central Gulf Coastal Plain, a port