shzly + clayey siltst, with thin greenish bwn, w/ tiny fine gr qtzicess 12ycus, latter 0.1 t about 25%o rost mostly siltst. 2.5 Interbedded greenish wertz qtztc ss lzycus up to 0.3, and shly siltsty, 50-50 ledger wzrths rusty bwn + gray resp. 2.0 Shzlc, black silty, fissile, with upper 0.5 chiefly siltsty zs z blue. 30.8 3.6 Interbedded siltstu, bl + gray shzly, thin bedded, with interbeds bl silty sh + some thin ss beds coming in about 4' from top Some of thin siltstus w/ths rusty with greenish czst One zt top wzrths blue. Passes into black silky sh #thru bssz l 1.5. 17.2 3.5 13.7 Shzlc black fissile silky with thin interbeds siltstu in lower 3' 13.7 3.3 Shzlc, black, fissile 1.5