... divided and their thickness from younger to older are: Pawnee limestone, 25 feet; Labette shale, 75 feet; Englevale channel sandstone, 0–50 feet; Fort Scott limestone (“Oswego lime” of drillers, consisting of an upper limestone member, 17 feet; black shale, 3 feet; and a lower limestone member, 13 feet...

... shows are present in western Bates County and may be more widespread than now is indicated. Englevale Sandstone Member.— Subsurface shows of heavy oil in the Englevale Sandstone Member of the Desmoinesian Labette Formation (one of the many commonly called “Peru”) are indicated on well logs...