Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991 /

Concentrations of selected herbicides, herbicide degradation products, and nutrients in the lower Mississippi River, Louisiana, April 1991 through December 2003 /
Published: (2006)

Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland /
by: Lindsey, Bruce D., 1962-, et al.
Published: (1997)

Discharge of herbicides from the Mississippi River basin to the Gulf of Mexico, 1991-97.
Published: (1999)

Statistical analysis of nitrate in ground water, west Salt River Valley, Arizona /
by: Long, A. E. (Andrew Edmund), et al.
Published: (1997)

Pesticides and nitrates in surficial sand and gravel aquifers as related to modeled contamination susceptibility in part of the Upper Mississippi River Basin /
by: Hanson, Paul E.
Published: (1998)

Nitrate and pesticides in ground water of the eastern San Joaquin Valley, California : occurrence and trends /
by: Burow, Karen R., et al.
Published: (1998)

Data on natural organic substances in dissolved, colloidal, suspended-silt and -clay, and bed-sediment phases in the Mississippi River and some of its tributaries, 1987-90 /
by: Leenheer, J. A., et al.
Published: (1995)

Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 /
by: Burow, Karen R., et al.
Published: (1998)

Unintended consequences of biofuels production : the effects of large-scale crop conversion on water quality and quantity /
Published: (2010)

Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993 /
by: Goolsby, D. A., et al.
Published: (1993)

Trends in nitrate and dissolved-solids concentrations in ground water, Carson Valley, Douglas County, Nevada, 1985-2001 /
by: Rosen, Michael R., 1961-
Published: (2003)

Nitrate (NO₂+NO₃-N) in ground water of the Upper Snake River Basin, Idaho and western Wyoming, 1991-95 /
by: Rupert, Michael, 1959-
Published: (1997)

Variability of nutrients in streams in part of the Upper Mississippi River Basin, Minnesota and Wisconsin.
Published: (1997)

Nitrate concentrations, 1936-99, and pesticide concentrations, 1990-99, in the unconfined aquifer in the San Luis Valley, Colorado /
by: Stogner, Robert W.
Published: (2001)

Utilizing vegetative filter strips of varying widths to reduce herbicides in runoff water /
by: Shaw, David R. (David Ray), 1959-
Published: (1996)

An index of ecological integrity for the Mississippi alluvial plain ecoregion : index development and relations to selected landscape variables /
by: Justus, B. G.
Published: (2003)

Herbicide use in the management of roadside vegetation, western Oregon, 1999-2000 : effects on the water quality of nearby streams /
by: Wood, Tamara M.
Published: (2001)

The distribution and modeling of nitrate transport in the Carson Valley alluvial aquifer, Douglas County, Nevada /
by: Naranjo, Ramon C., et al.
Published: (2013)

Herbicides and nitrates in the Iowa River alluvial aquifer prior to changing land use, Iowa County, Iowa, 1996.
by: Savoca, Mark E.
Published: (1997)

Herbicides and nitrate in near-surface aquifers in the midcontinental United States, 1991 /
by: Kolpin, Dana W.
Published: (1994)

Herbicide concentrations in and loads transported by the Conestoga River and Pequea Creek, Lancaster County, Pennsylvania, 1992-95 /
by: Reed, Lloyd A., et al.
Published: (1997)

Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland /
by: Bachman, L. Joseph
Published: (1984)

Nitrate contamination : exposure, consequence, and control /
Published: (1991)

Distribution of nitrate in ground water in the Republican River Basin, southwest Nebraska, 1996-98 /
by: Stanton, Jennifer S.
Published: (2000)

Trends in nutrient concentration and load for streams in the Mississippi River Basin, 1974-94.
by: Lurry, Dee L.
Published: (1997)

Trends in nutrient concentration and load for streams in the Mississippi River Basin, 1974-94 /
by: Lurry, Dee L., et al.
Published: (1997)

Transport and fate of acetone in an outdoor model stream, Stennis Space Center near Bay St. Louis, Mississippi /
by: Rathbun, R. E.
Published: (1989)

Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas /
by: Druliner, A. D., et al.
Published: (1996)

Bioremediation of low level PCP and PAHS contaminated water using biofiltration /
by: Borazjani, Abdolhamid
Published: (1996)

Relation of nitrogen and phosphorus in ground water to land use in four subunits of the Potomac River Basin /
by: Ator, Scott W., et al.
Published: (1997)

Hydrogeology and subsurface nitrate in the Upper Big Blue Natural Resources District, Central Nebraska, July 1995 through September 1997 /
by: Verstraeten, I. M. (Ingrid Maria), et al.
Published: (1998)

Occurrence of phosphorus, other nutrients, and triazine herbicides in water from the Hillsdale Lake Basin, Northeast Kansas, May 1994 through May 1995 /
by: Putnam, James E.
Published: (1997)

Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrate (NO2+NO3-N) in ground water in the Idaho part of the Upper Snake River Basin /
by: Rupert, Michael G., 1965-
Published: (1998)

Interaction of ozone and herbicides in soybeans /
by: Bahadur, Raj
Published: (1978)

Spring contributions to water quantity and nitrate loads in the Suwannee River during base flow in July 1995 /
by: Pittman, John R., et al.
Published: (1997)

Nitrate in ground water and spring water near four dairy farms in North Florida, 1990-93 /
by: Andrews, William J., 1962-
Published: (1994)