Loc. 31 Unit 2, Section 2 Measuring up from about 1' above base of first river terrace level. (1) 16.8 Shell clay, finely silty, chalky grey. 0.2 bed semi-indurated chalk. Clay begins 1.5 from base. Above 5.5 becomes less clayey & chalky, more fissile, weathered to light quartz chips, has splintery texture, loc silt lamination & gypsum blebs. 7.2 feet from base is thin (1/4-1/2") bentonite. Lingulid + fish scale in upper 2'. Many forams visible in fissile stuff above base>5.5. (2) 0.2 waxy yellow green bentonite Loc. 38 Butte S. of O'Leary ranch. - Slump obscures all but upper 50'+-. No tie in possible now - see old section. From crumbly OB conc layer beneath dark grey glauconitic & sandy clay is 31.5'+ ft to base indurated chrock 24 A of which present here. Only about upper 20' silic. gray "Kelezte" with small Hely and clay-pellets. Lower 4! much clay-pellet, Hely's and impression of ammonite. Top big redcon conc layer to glauconite bed is 26'-but slump may intervene. 42