15 disconformity - as in 3 16 base of Lytle - Coarse conglomerate 10'-15' chert & quartz pebble. Exists locally only. Other places ss on greenish claystone 17 Sandstone as in (12) - base of Morrison ?) On the Golden Fire Brick end D hogback, strike fault between 1st & 3rd sandstones cuts out part of 1st sandstone 2nd shale 2nd sandstone. Both 3rd & 4th shales mined here in addition to the main bed + Graneros. AIN -50-40 - north of Van Bibber 3. 18 Disconformity - not visible but somewhere in 20' gap between Lytle ss & 2nd ss. Loose wt. sand wash above resistant Lytle outcrop (found later to North in Mine entry - ss on ss) base of second sandstone w/ white weathering with ironstains, SS fine grained & even bedded. Strike N/130° di/43°E ridge former 19- base of 1st ss with little shale between it & 2nd ss. 20 Lower bentonite of third shale. Silty porcelain 21 disconformity - ironstained, brown-weathering platy fine grained ss above + white, bedded friable ss below (recheck no. 18) 3.