TY  - RPRT
TI  - Depositional environments of coal-bearing and associated formations of Cretaceous age in the National Petroleum Reserve in Alaska
AU  - Henry W. Roehler
PY  - 1987
DO  - 10.3133/b1575
UR  - https://pubs.usgs.gov/publication/b1575
ID  - b1575
ER  -