thin yellowish zone at base. 0.8 Siltstone, gray, sandy, shezy to massive locally, chub flecks. Weeths gray white to light gray 2.0 Sandstone, fine gr, silty, irreg bedded frizzle, light-buff weeth., locally cleay. Hzs Fe impreg zones yellow to Fe brn, these crumbly generally "worm-worked" Much worm working locally. 2.5 Sandstone, fine-gr, massive, bssz) 0.9 Fe impreg. weeths Fe brown, remainder weather yellowish gray 4.5 Sandstone, fine-gr, and met.gr. and lenuzted (x/12m.) to thin-bedded. Bedding irreg. some ripples, worm-mkd surfaces locally Some sandy shele lenuzate in upper part 0.9 Interlenuated fine gr ss and sandy dk gray shele chvb. flecks. Grades laterally into thin-bedded ss as below. 18