disconformity between st and bench at first Lytle SS from 5 to 15' below. Lytle obviously is thickening. 8. Main bed back in here about 31- and thickening to 5. Between 7 and 8 ridge crest on 1st Glen sand, lower part of which is very friable & has good cal at base. This friable platy beds + 2nd ss + 3rd sh form flat top of ridge. 3rd ss 4 or 5' thick- and at west edge where crest rounds off chief scarp face on Lytle calv SS. 9. Platy beds at crest, cal pebbles in sand wash marks base 1st Glau SS. 3rd ss near break to west's top west scarp 10 Lytle thick with quartzite lenses, corose cal, chert + chertified wood. Chert red & brown. 11. Ripple marked fc cap top 2nd SS just below platy beds. Occasional ripples. 1/1 between crests. Above this platy beds then 1st Glen with cal basal part - see section taken here in 1951 12 Helmers clay mine. Clay bed openings on surface are in a bed directly over main bed and separated from it by 3 or 4' of SS. PictureClay 67