Base Black Shale, 632. Thursday - cant Section at William Richards house, North of mouth of Forbush creek, in NE side of river, from top of section Whitfieldia layer. See opposite page this book, 50 ft. The readings all with hand level. The Whitfieldia layer is 50ft above mouth of Forbush creek. Corrected triangmetric reading. About \1/4 mile eastward up the creek a small stream comes in from the north. Here there are 15ft, 6 in. of limestone below the Black Shale. This is indicated in the section on opposite page. A 3 in layer of sandstone seems to occur just beneath the Black shale, but only a trace is seen. The crinoidal layer occurs 21 in. below the Black shale. Black Shale 3 in. S.S. crinoid layer 21 inches down clint Opposite mouth of Forbush creek, in NE side of river, the Madison bed is 21 feet + thick, bare not seen. Added to section on opposite page. Dip south. From drill on west side the cliffs south of Forbush creek are seen to dip north. Anticline. Axis N42E - mine. N60 E-millers Low cliff very high drifts Forbush creek 2 ft. shaly limestone, full of trygozrans. 13 ft. poor exposure. clayey, shaly at one. Tot. = lowest water worm zebbles, quartz, 1"-- Poor exposure. 35 ft. clayey limestone. 2 ft. 6 in. crinoidal limestone. 5 ft. 9 in. chert layers in rubbly brown limestone. 20ft. impure shaly limestone. 5 ft 9 in. solid crinoidal limestone. 12 ft. impure limestone, light blue 5 ft. chiefly chert. 40 ft. part and limestone, rubble, decaying to brownish clay above whitish clay below. 28ft. harder more thanish shale. 35ft. soft grey shale. 5ft. limestone weathering brown on surface, with chert nodules + layers abundant. 39ft. grey marbly shale, 11 in. phosphatic modules. 39 ft. Black Shale, Whitf. cylinds, with large crin. beads, in upper 15 in. of limestone 15ft 6 in limestone, speckled blue, weathering mottled brown. 21 ft + thinish layers, Madison bed, with coral Ellmanaria? fairly preserved. Section N. of house of William Richards (3) A B C D E F G H I J K L M N O