Formation: Morrison
Lithologies: not reported (10), claystone (20), mudstone (36), siltstone (7), sandstone (36), conglomerate (1), marl (1), lime mudstone (1), "limestone" (4), ash (2), tuff (1)
Paleoenvironments: terrestrial indet. (40), fluvial indet. (1), channel lag (1), coarse channel fill (2), "channel" (23), wet floodplain (23), dry floodplain (9), crevasse splay (5), levee (2), fluvial-lacustrine indet. (6), pond (11)