jackson quarry, 2 mi S of Crompton Euphemia bed. Schuchertella suifloma naturalize Whitfieldella nutdurate cc at tp. Strephella l.? to pant ammus duran. Brachypora like Riley form. Septaria thm ret data? Dalmantios Spinifer radiators Camarotoechia neglecta Platysiphonaria A aytrm annos for Athya anitherd anus The funnel-shaped twisted Lichenal Carycerimus sp. Cenocrasma valinthus New York Favosites small but cells large pores Dimor gusidli Laphroetma maganoso 2 mts. Journal of Geology. American J. of Science Torrey Bull. Ottawa Naturalist. National Geographic Mag. Science NEA 61 jackson quarry. 5 ft.+ Pentamurus at tp = Springfield but much bedded < Pant ammus cc. 8 1/4 ft Springfield well bedded < Pentamurus terrizon cc. 3 ft. Typical Springfield, 3/4 ft. More like bedded rock + Pentamurus cc [Euphemia typical folded = 6 1/2 ft. a little fractured] More less well bedded Euphemia = 2 1/2 ft. Lardell = 3 ft. (Ces good bedded clay rocks) 5 1/4 clay bryozo Daytn in 8 ft. P to Springfield tp opened up thru = 860 N S & S, No genuine Ce d ammus seen here. Rule quarry, S end of Crompton. Pike, Intervals about 12 ft not measured Thin bedded but not like Springfield, 8 3/4 ft. Massive blotchy l. 6 ft blotchy l. typical. Pentamurus ct various levels from top to bottom, 8 1/2 ft. Looks like trans ition rock at jackson quarry, below the typical Euphemia, but Pentamurus occurs 3 1/2 ft above base. 12 ft interval. < Base Gtymry = hard l. Crete level, 873 N S & S.