Formations: unnamed (16), Almond (10), Blackhawk (3), Castlegate (5), Crevasse Canyon (3), Menefee (8), Neslen (2), Rock Springs (1), Sego Sandstone (1), Toreva (1), Williams Fork (1)

Members: unnamed (29), Bowie Shale (4), Teapot Sandstone (16)

Lithologies: not reported (31), "siliciclastic" (1), mudstone (4), "shale" (2), siltstone (4), sandstone (48), conglomerate (2), coal (6), peat (1), lignite (1)

Paleoenvironments: marine indet. (9), terrestrial indet. (43), coastal indet. (2), estuary/bay (13), fluvial indet. (5), channel lag (1), fine channel fill (1), "channel" (20), crevasse splay (1), mire/swamp (1), fluvial-lacustrine indet. (2), lacustrine - large (1), lacustrine indet. (1)