Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on quality of surface runoff at a small carbonate-rock site near Ephrata, Pennsylvania, 1984-90 /

Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of pipe-outlet terracing on quantity and quality of surface runoff and ground water in a small carbonate-rock basin near Churchtown, Pennsylvania, 1983-89.
by: Lietman, Patricia L.
Published: (1997)

Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on water quality in the Little Conestoga Creek Headwaters, 1983-89.
Published: (1996)

Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on quality of surface runoff at a small carbonate-rock site near Ephrata, Pennsylvania, 1984-90.
by: Hall, David W.
Published: (1997)

Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : a summary report, 1982-90.
by: Lietman, Patricia L.
Published: (1997)

A snapshot evaluation of stream environmental quality in the Little Conestoga Creek basin, Lancaster County, Pennsylvania.
by: Loper, Connie A., et al.
Published: (1998)

Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91 /
by: Koerkle, Edward H., et al.
Published: (1997)

Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management /
by: Langland, Michael J., et al.
Published: (1996)

Nutrient sources and analysis of nutrient water-quality data, Apalachicola-Chattahoochee-Flint River basin, Georgia, Alabama, and Florida, 1972-90 /
by: Frick, Elizabeth A., et al.
Published: (1996)

Chemical and biological indicators of nutrient enrichment in the Yellowstone River Basin, Montana and Wyoming, August 2000 : study design and preliminary results /
by: Peterson, David A. (David Allen), 1955-, et al.
Published: (2001)

Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91.
by: Koerkle, Edward H.
Published: (1997)

Analysis of nutrient and ancillary water-quality data for surface and ground water of the Willamette Basin, Oregon, 1980-90 /
by: Bonn, Bernadine
Published: (1995)

Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : sources, characteristics, analysis and limitations of nutrient and suspended-sediment data, 1975-90 /
by: Hainly, Robert A., et al.
Published: (1997)

Water-quality assessment of the White River Basin, Indiana : analysis of selected information on nutrients, 1980-92 /
by: Martin, Jeffrey D.
Published: (1996)

Flood insurance study.
Published: (1979)

Estimation of nutrient and suspended-sediment loads in the Patuxent River Basin, Maryland, water years 1986-90 /
by: Preston, Stephen D., 1955-, et al.
Published: (1997)

Study of nonpoint source nutrient loading in the Patuxent River Basin, Maryland /
by: Preston, Stephen D., 1955-
Published: (1997)

Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins /
by: Trench, Elaine C. Todd
Published: (2000)

Nutrient sources and analysis of nutrient water-quality data, Apalachicola-Chattahoochee-Flint River basin, Georgia, Alabama, and Florida, 1972-90.
by: Frick, Elizabeth A.
Published: (1996)

Estimation and analysis of nutrient and suspended-sediment loads at selected sites in the Potomac River Basin, 1993-95 /
by: Lizárraga, Joy S.
Published: (1997)

Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior to the implementation of nutrient management /
by: Fishel, David K.
Published: (1992)

Water-quality assessment of the Trinity River Basin, Texas : nutrients and pesticides in the watersheds of Richland and Chambers creeks, 1993-95 /
by: Land, Larry F.
Published: (1997)

Reducing nutrient loads, especially nitrate-nitrogen, to surface water, ground water, and the Gulf of Mexico : topic 5, report for the integrated assessment on hypoxia in the Gulf of Mexico /
Published: (1999)

Factors affecting nutrient trends in major rivers of the Chesapeake Bay Watershed /
by: Sprague, Lori A.
Published: (2000)

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)

Nutrients, benthic algae, and stream quality during low streamflow in the Palouse River basin, Washington and Idaho /
by: Greene, Karen E., et al.
Published: (1997)

Nutrient sources within the Upper Mississippi River Basin, Minnesota and Wisconsin, 1991-93 /
by: Kroening, Sharon E.
Published: (1998)

Nutrients in streams and rivers in the lower Tennessee River basin /
by: Woodside, M. D. (Michael D.)
Published: (2001)

Chemical and biological indicators of nutrient enrichment in the Yellowstone River Basin, Montana and Wyoming, August 2000 : study design and preliminary results /
by: Peterson, David A. (David Allen), 1955-
Published: (2001)

Loads and yields of nutrients and suspended sediment in the Susquehanna River Basin, 1985-89 /
by: Reed, Lloyd A., et al.
Published: (1997)

Shallow ground-water quality in agricultural areas of northern Alabama and Middle Tennessee, 2000-2001 /
by: Kingsbury, James A.
Published: (2003)

Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins /
by: Trench, Elaine C. Todd
Published: (2000)

Nutrients, suspended sediment, and pesticides in streams in the Red River of the North basin, Minnesota, North Dakota, and South Dakota, 1993-95 /
by: Tornes, L. H. (Lan H.), et al.
Published: (1997)

Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : sources, characteristics, analysis and limitations of nutrient and suspended-sediment data, 1975-90.
by: Hainly, Robert A.
Published: (1997)

A Serious address, to such of the inhabitants of Pennsylvania, as have connived at, or do approve of, the late massacre of the Indians at Lancaster, or the design of killing those who are now in the barracks at Philadelphia.
Published: (1764)

A Serious address, to such of the inhabitants of Pennsylvania, as have cannived [as printed] at, or do approve of, the late massacre of the Indians at Lancaster; or the design of killing those who are now in the barracks at Philadelphia.
Published: (1764)

Nutrients and suspended solids in surface waters of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin, 1978-97 /
by: Sullivan, Daniel J.
Published: (2000)