Muddy Crooks section Gully bottom - measuring up 25'- wash on platy calc siltstr, liquid mudly silt siltstr, bszl 5.0 to 7.0 is black carb shale. Within about 10' below this it grades into green Morrison as at Tensleep. Morrison well exposed, is bended red + gray throughout. 10.0 + Sandstone, fine-quartzed massive, x-lam, white, washes light gray somewhat friable. 17.0 + Obscured spot trenches show 10c. soft very fines silt in lower 8', Above is siltstr, gray, becoming clayey at top 10.0 Shale, black to brownish, fissile, finely silty, plant frags in lower 3-4 ft, above this is dk gray plastic than in upper 3' becomes lighter gray silty sh. 62