1 mi' N of Collinsville, in E side of creek 24 up. - Ol. lynx. 1 ft 10 m above arch - Leptaena thmubridalis? 2 ft. chreetch = Platystrophia lyne? A=3ft above chk = Ol. lynx. 5 ft up, = Leptaena thmubridalis. 2 ft. Modulus clay limest are ? 11 ft 6 in. interval. Byssomychia + Raph. in exposure common. Tip of Dalmarella as far as expe sure shows, but top is cuttin at outy bed. 3 1/2 ft interval. Lime, Din. retrusa, excellent specimen. Histym unknown but above this. 5 yd up marked limestone are. 7 ft. 4 in., interval. 6 ft 8 in., interval with Dalmarella common. 6 ft 9 in. interval. With Archur type of rock but not the not Graham bed. 4 ft 6 in., interval. Tip of Ol. lynx, 9 in. interval. Ol. lynx abundant = A Found about 3 ft Ol. lynx and Leptaena thmubridalis are associated. The Archurini section appears abbreviated. Excellent exposure 4 mi S of Collins ville, E side of 7 mile creek. 1mi W Mc Gregor's Platystrophia cervical abundant, & frontal joint specimens. Ol. lamb, ? Leptaena thmubridalis common. 1/2 ft. Lateral. 3 1/2 ft. Helixella insculpta + Rhy. pellucellus and Rhyn. cuprix. 4 ft N. insculpta + Lept. thmubridalis drawn to face; 11 ft in the bed Raphaezzyrime very abundant, 3 ft. Shell with Dalmarella abundant at base, with Leptaena thmubridalis? 8 ft interval. 22 ft interval. clay rock with. Leptaena lynx insculpta + Dalm. jugrea. 15 ft interval. 11 ft in ter val. Crame formed as Dalmarella abundant + Waynesville strata, 7 1/2 ft film in sculpta, = total. 5 ft cross limestone over more above. 15 ft interval. Din. retrusa at about this level opposite large gravel builder E of stream. Retrosia abundant but poor pie specimens on face; Sediments Run Philip Brown Rims in Indian creek 3 1/2 mi farther on.