TY  - RPRT
TI  - Depositional history of Triassic rocks in the area of the Powder River basin, northeastern Wyoming and southeastern Montana
AU  - Edward A. Johnson
PY  - 1993
DO  - 10.3133/b1917p
UR  - https://pubs.usgs.gov/publication/b1917P
ID  - b1917P
ER  -