TY  - RPRT
TI  - Occurrence, distribution, and concentration of hydrocarbons in and near the Shell Valley Aquifer, North Dakota
AU  - Wayne R. Berkas
PY  - 2000
DO  - 10.3133/ofr99194
UR  - https://pubs.usgs.gov/publication/ofr99194
ID  - ofr99194
ER  -