Bed 13: 6', cover. Bed 14: 5'; Limestone light gray, 2' beds, mudstone. Bed 15. [Calcirudite] 25-40'. {note:this section is illustrated on following page 87} PG. 88 {note: illustration followed} PG. 89-182 Blank PG. 183 Decker and Merritt Okla Geol. Survey 1931, Bull 55. Measured 1/4 mile west of US 77. Didn't find Bed 9. Sponge sect. 1) Bromide, Deckers Sect. 4, bed 16 calcarenite; buff weathering; rubbly. Collection 4-16 Diplotrypa zone. (upper Tulip Ck poorly exposed - didn't fine Decker's bed). Seems to be all a "calc". SS. 2) McLish - Collection in Decker's Sect. 4, beds 72 and 73; rubbly limestone. 3) McLish - Collection in Decker's Sect. 4, beds 75/76, calcarenite, bry thin sect. here. 4) McLish - Collection in Decker's Sect. 4, bed 80; weathers buff; calcarenite; bry. colonies. 5) Oil Ck - Collection in Decker's Sect. 4, be 87 poorly exposed medium gray limestone; thin beds 2'-3'; very rubbly overlying more massive thin bedded units with few bryozoa and these in turn overlie a massive finely crystalline lightly gray limestone. Rhinidictyids with ramose bry. "Decker's section measured along edge of Ardmore - Davis Highway (US 77) Dip 55° SW. Strike N60°W. PG. 184 "Strat and Physical Char. of the Simpson Gp." C.A. Deckers and C.A. Merritt.