FOSTER & HUNT-FOSTER, 2011
Locality: MWC Loc. 1.05.86, Mygatt-Moore (M&M) Quarry, Rabbit Valley, Mesa County, Western Colorado.
Horizon: Middle Brushy Basin Member, Morrison Formation.
Biostratigraphy: Zone 3.
Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.
MWC 6718: Sauropod skin patch.
Note: Found less than 35 cm from an isolated sauropod pubic peduncle of the ilium (above the bone and in a dorsal position relative to the peduncle), and several Apatosaurus excelsus vertebrae (cervical and caudal) were within 1 m of the skin patch.
MWC 5537: Sauropod skin patch.
Note: Found nearest 2 large sauropod ribs and within 2 m of 3 disarticulated vertebrae (one cervical, dorsal, and caudal) of Apatosaurus. Like the other specimens, it was found in gray mudstone wiht abundant, fragmentary plant material.