78 38 MANTUA QUARRY OF JEPSEN 3/22/78 App Center w bdy. NE 1/4, SW 1/4, Sec 31, T 57N, R 98W, Park Co., Wyo. overlooking Little Polecat Oil Field. Somber lebo beds N of air port Road X above this but on E side of Polecat bench great yellow SS indurated SS channels occur in the interval partially masking it. lebo same basic tan X dark grey gumbo look as W of ELK BASIN but spongy reddish brown limonite concs not present. Fossil Pls in a S175T SPLIT in SS of MANTUA LAYER LENTIL 0.9 to 1.3 m above base OF LENTIL lentil Cuts to Top of first Coal Vertebrates from clay clast conglomerates 0.4- 0.8 m above base of lentil 64' below top of hill Dale R. Quind. LENTIL ABT 30 M THICK A. POWELL DIXIE STEPS BACK UP SLOPE HILL ABOV ARRAY