TY - BOOK AU - Berkas, Wayne R. CN - I 19.76: CY - Bismarck, N.D. : CY - Denver, CO : DA - 2000. ID - 239429 KW - Groundwater KW - Hydrocarbons N1 - Shipping list no.: 2000-0887-M. PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Branch of Information Services [distributor], PP - Bismarck, N.D. : PP - Denver, CO : PY - 2000. T1 - Occurrence, distribution, and concentration of hydrocarbons in and near the Shell Valley Aquifer, North Dakota TI - Occurrence, distribution, and concentration of hydrocarbons in and near the Shell Valley Aquifer, North Dakota VL - 99-194 ER -