Eden School area. Could 'piece Fell R. + uppermost Lzkota here. Upper Lzk, massive ss has loused out to s + only constrict. Lkote ridge is held by plety sandy gray-purplish pink siltstone with numerous plant frags. Well exposed in Eden School quarry. This unit is most prominent cropping unit of Lkota from here Northwest into St Ouge quzrd - chiefly because it crops out well and is used locally as roadmetal. Beneath it ss inter-grades with it-thickness. ?, then ostracodal shale comes in. May be ostracodal sh is Morrison, (doubt it)