Section 3. Measuring up from Gervillia cones at toe of spur. Concretions - Gervillia masses in grass roots through about 2 ft (vertical). Measurement starts at top of highest 16,5 Dark gray silty clay -> clayey silt mottled with Q.B. Fe stain and yellowish gray. Sandy, no obvious divisions, more silty at top also sandy. No shiny structure just irreg. shiny & sandy patches here & there; lumpy break. 1.5 - 2,5 t Zone limestone cones, dk gray interiors, Mn stain on cracks, very thin rind scaly brown, with gray-white pztng beneath - or on weathered surface. Some yellow calcite in cracks. In lower 5' scattered fossiliferous concretions - above this zone between 5' + 8' from base some barren cones, order of cones not known 26