present, about 0.5 from top. Concretions most plentiful lower 5 or 6 feet, weather gray white, flat to spheroidal, some with 'wavy' markings on outside, tubes within. 7(4) 12.0± Shale, dark gray to black silty, blocky to splintery below becoming fissile and chippy in upper part, grading to unit above. Locally, but not consistently reacts to acid. A few 1/2" cones as in bed below lie in row locally at 4' from top. 7(5) 10.5 Shale, fissile weather., black, noncelcy weathers light bluish gray, look somewhat siliceous. Contains scattered spherulz, small, with selenite crust & fracture filling. Cores react weakly to acid. Weathers gray with some ferrug stain. 7(6) 4.3 Highly calcereous gray to brownish shale and shaly silt. Gray silt shale top & base, conspicuous bedded, brown cslc silt makes up bulk of unit. Whole is finely laminated, much finely commutated shell & org. matter (Sample 2) 45