North Park Colo. General setup of Dakota group same as along Front Range. Discontinuity is evident. Lytle! T1B SS and claysone, uvicgztz, cause cht+gt3t pebble cgl. At Doug's locality 20'f of cyl + prob. more claysone. Polished pebbles in float near top of unit and pebbles up to 3" diam. in the cgl. No Morrison contact visible. At Tom Steger's Dakota section Lytle seems to rest on dk-grey silts claysone - Morrison? South Platte. At Doug's locality a little SS in upper part. Looks like VanBibber member may be identifiable, but needs trenching + careful measurement. Some fossiliferous limestone in float but not seen in piece. Moway well developed but to SS not visible, may be some furzble in float. Thick. 64