(16) 9.0 Siltstone, clayey, gray with considerable iron oxide, locally coating shaly partings or as "yellow sulphur" streaks and blebs. Weathers light brownish gray. Locally much saltinite in bladesh rosettes. Also scat. crumbly concretions "cone-in-cone, inner silty centers dark gray" Yellow Sulphur Zone", rare fos. (17) 0.1 Siltstone, clayey, becoming shaly in upper 2/3, dark to dark gray, minor rusty stein. Weathers grayer than unit bracketed by yellow zones. Locally is concs here - 1 bellerinite (18) 6.5 (19) 0.5+ Concretion layer, limestone, blue brown. gray, weathers rusty. Gyp coating on some. Some have yellow calcite crack fillings. (20) 17.0 Silty shale and siltstone, gray, shaly in lower 10 feet which has some Fe steen, becoming siltstone, cloyey above. Weathers a light brownish gray, cub frags in y. pt. Concretionary layer, limcy, but silty light gray conc with conc fragments. Weather: light yellow. 37