TY  - RPRT
TI  - Preliminary report on the stratigraphy of the Morrison and related formations of the Colorado Plateau region
AU  - Lawrence Carey Craig
AU  - Clifford N. Holmes
AU  - Robert A. Cadigan
AU  - Val L. Freeman
AU  - Thomas E. Mullens
AU  - Gordon W. Weir
PY  - 1951
DO  - 10.3133/tei180
UR  - https://pubs.usgs.gov/publication/tei180
ID  - tei180
ER  -