TY - BOOK ID - 137333193 TI - Nonpoint-source agricultural chemicals in ground water in Nebraska : preliminary results for six areas of the High Plains aquifer AU - Chen, Hsiu-Hsiung AU - Druliner, A. D. AU - Geological Survey (U.S.) PY - 1987 PB - Lincoln, Nebraska : U.S. Geological Survey, DB - UniCat KW - Groundwater KW - Agricultural pollution KW - Agricultural chemicals KW - Nonpoint source pollution KW - Pollution KW - Environmental aspects KW - High Plains Aquifer. KW - United States KW - Nebraska. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137333193 AB - ER -