IODP SEDIS - Thesaurus -

South Platte River
BT	United States
	.South Platte River
RT	Colorado
	Nebraska
	Platte River
SN	River in central to NE Colorado and SW Nebraska. Indexed with states as applicable. Added to Thesaurus in 1989.

South Platte River valley
BT	United States
	.South Platte River valley
RT	Colorado
	Nebraska
SN	Also search South Platte; South Platte River. Indexed with states as applicable.