TY  - RPRT
TI  - Marine trace fossils in the Upper Jurassic Bluff Sandstone, southeastern Utah
AU  - Robert Brett O'Sullivan
AU  - John O. Maberry
PY  - 1975
DO  - 10.3133/b1395i
UR  - https://pubs.usgs.gov/publication/b1395I
ID  - b1395I
ER  -