W-23 B Just N. W-23 A, on bare slope with gravel wash is czp ss which is the base of the 196 unit (see p. 21) in Wechinka section. From here down to base of the cqlc ledge it is approx 75' stratigraphically, by head level measurement. Approx N-S section would show that basal cql is thickening locally to north. 23B unless it is base upper friable ss W-23 A guconsol. grenule + pebble zone - clstu + siltst+ + ss wash ledge-forming cq1. ss non-resistant at W 23 A. wz34 29