Locality W-4. Fall River - Skull Cr. contact zone. Red shale zone comes in along strike in position of upper interbedded SS and shale zone of #5 Fall River. Lower massive part #5 forms exposed dip slope. Locally color of red Sh changes to dk gray. To north the silty zone partially replaced by hard beds massive SS like those below. 91010 ft to bentonite [illegible] shale Top obscured. platy ss lb, sh. red + grey shale silty zone exposed surface massive beds 24