53 From here to ECS-S6, green black mudstone w/ 15 cm ss f.g. pointing ripples w/ 10-2cm PETRIFICAL COAL in middle of bed. Shimm & cutmix. Abund plant frags on s ps in SS. SS layer just above thin thin detrital coal is massive and bioturbated. Overlain by unlaminated mudstone w/ very silty lower lentic that app. biostratified. By Pima ECS-S6 very lamin muds to siltst. fluv bedded w/ ripples. Very clean vertical burrows. in siltstone, wind lemming often not much affected. slides & burrow casts beds in mud wider fine mudstone