(Offset to approx. pos. of boat.) 31 4.2 Claystone, black with, grayish interbeds in lower part, 30 50.0 Chiefly dark claystones varying from gray + dk olive to black- with zones brown with conc. is., locally getting greenish where silty or sandy. Fairly thick conc. is at base. 29 9.0 Claystone, greenish gray, becoming progressively more silty & sandy downward, lower 2' sandstone, loc. clayey greenish silty with thin brown wash cap. 28 14.5 Claystone, greenish gray silty at top, grading to greenish mott + nodular limestone. Lower 5' is hard nodular ls. becoming mottled with purple in lower part. Only nodules calc hard claystone isaf. 27 9.0 Mottled purple and green 23