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[[stamped]] 0786 [[/stamped]]
[[left margin encircled]] 9 [[/left margin encircled]]

October 5.
Section 1 mile west of Tusseyville on U.S. 322.

Measurements from Kay.

[[image -  in left margin drawing of geologic column as follows]]

         |  I would put the basal 8' of Rodman with the lower
         |  beds on lithology.
_________|
         |  Rodman - Basal 8' with thin black chert and light-gray-
         |  weathering thin layers. Upper 18' dark gray, drab, not bluish, 
26'      |  brackley very dark gray ls. Surfaces peppered with animal
         |  debris A bentonite 10' below top not in Kay's section Bilobia, 
         |  Oxoplecia,
_________|
44'      |  Centre Hall - Shaly weathering, blue-weathering dark gray
         |  limestone
         |  Doleroides, Ancistrorhyncha, Strophomena, Maclurites C,
         |  Hesperorthis, Some mottled worn tube layers.
_________|
8'       |  Bentonite
_________|
18'      |  Oak Hall - Dark gray, hackly fracturing limestone with heavy,
         |  angular ledged blue gray weathered surface. Surfaces 
_________|
6"       |  Benton rough. Carnarocladia or worm-borings not frequent.
_________|  ^[[but present]] Hesperorthis. Snails common Sowerbyella, 
39'      |  Nidilites (like in Lebanon). Maclurites.
_________|
26'      |  Stover - Blue gray weathering, very dark gray limestone
         |  moderately heavy-ledged with some worm-bored layers like the
         |  main mass in the RR cut at Pemberton. Thin layers of
         |  calcarenite at top. Cryptophragamus in lower part, large
         |  Zygospira and Rostricellula at top. Strophonema

[[/image]]