Loc. 61 - South-facing bluff in center NE 1/4, sec. 1, T.14N, R21E, Entry NW quad, Dewey Co. Land of Oliver Jewett. Section 1. West end of exposure on shoulder just east of road, measuring up from road. 1) 9.0 Shale, gray, finely silty, a few blobs and thin layers silt scattered in it. At top is zone fairly large 7', purple brn to brn weathering brittle is cones with golden celestite. Some jarosite stain... Rare fossils (Long clams) 2) 7.5 Shale, chiefly darker gray, silty, in bigger blockier freys than in 1). 2.0+ more of dark gray silty shaly clay at base. Minor jarosite stain 3) 3.3 Shale as in 1), but slightly siltier, weathers brownish with some jarosite stain. In upper 2' scattered red-burn weather. cones of light gray limestone. 4) 12.0 Shale, dark gray, thinly interbedded to interlaminated with light gray silt. Jarosite silt blobs 17