TY  - RPRT
TI  - Preliminary surficial deposits map of National Petroleum Reserve - Alaska
AU  - John R. Williams
AU  - W. E. Yeend
AU  - L. D. Carter
AU  - T. D. Hamilton
PY  - 1977
DO  - 10.3133/ofr77868
UR  - https://pubs.usgs.gov/publication/ofr77868
ID  - ofr77868
ER  -