Interpretation of the structure at the fault. Fault <-growth limit of anticline (11) (18) Ordovician beds (19) Shamrock bed (20) Brick red clay (22) (21) (27) (23) (24) (25) (26) Red Beds (27) (28) (20) 12 inches is of the grey orlile. Top 5 inches the mudula or Silurian beds. The fault run in the bluff comes in here. Section broken here. How much is yet undetermined Thickness of beds 17-22 = 40 ft at 1 inch. " " 23-33 = 112 . 10 .