IODP SEDIS - Thesaurus -

Wann Formation
BT	Chronostratigraphic Units
	.Phanerozoic
	..Paleozoic
	...Carboniferous
	....Pennsylvanian
	.....Upper Pennsylvanian
	......Missourian
	.......Wann Formation
RT	Oklahoma
SN	In Ochelata Group. Includes both Clem Creek and Washington Irving sandstones. In NE Oklahoma.