-223- prominent limestone cliff just east of the Brooks ranch house. Top of section, badly covered. Thickness (feet) Lenoxhills Formation 16. Shale and siltstone, red . . . . . . . . . . 15 exposed 15. Calcirudite, light gray . . . . . . . . . . . 15 Gaptank Formation 14. Limestone, yellow-gray . . . . . . . . . . . 10 13. Siltstone and shale, limey . . . . . . . . . . 12 12. Shale, green-gray . . . . . . . . . . . . . . 8 11. Covered . . . . . . . . . . . . . . . . . . . 9 10. Limestone, medium gray, abundant fusulinids . . 2 9. Limestone, very clay rich, fusulinds . . . . . 15 8. Shale, green-gray; and sandstone and silt- stone, orange-brown, many crinoid column- als . . . . . . . . . . . . . . . . . . . . . 18 7. Limestone and clay rich limestones, 3 inch beds, becomes dominantly silt- stone near base of unit . . . . . . . . . . . 47 6. Limestone, medium gray, clary rich, uneven bedding, 3 to 6 inch beds . . . . . . . . . . 18 5. Shale, gray . . . . . . . . . . . . . . . . . 10 4. Sandstone, orange-red weathering . . . . . . . 3 3. Sandstone, orange and gray weathering, friable with one or two resistant beds . . . 30