improvement resulting in black to purplish weathering beds. Upper 0.5 is platy micaceous siltst. with carb frogs, weathers purplish gray. (31) 1.3 Silty, gray, very silty, yellowish stain at top grades to silted below (32) 0.8 Shale black, fissile. (33) 3.0 Siltstone & silty shale interbedded & interlamin., sh. dk gray, purplish stain over-all. Bessl 0.3+ is bed very fine gr sandstone, silty. (34) 7.0-8.0 7.5 Covered. Within this interval change to platy fine gr ripple- marked ss + interbedded siltst. (35) 2.0 to ? Sandstone, massive, fine-grained, weathers orange-red, caps ledge Top of exposure. 41