16 173 cm tan A-5A silt massive 17 290 cm interleaved mudstone brownish gray and tan silty lac w/ slabby red weathering brown Wg fmnite slim concretions 18 265 cm lt tan A-5A silt massive typical. ridge-former (cliff S17ST.) slight reddish brown stain at base Offset 19 90 cm Mudstone but only very slightly silty yellowish brown clipply with limonite staining gray and brown interbed 20 70 cm siltstone with clay grey stringy and limonite stained layer +/- basal 30cm