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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 David K. Fishel ... [et al.] ; prepared in cooperation with the Pennsylvania Department of Environmental Resources (Water-resources investigations report ; 90-4131) (Water-quality study of the Conestoga River Headwaters, Pennsylvania)

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 David K. Fishel ... [et al.] ; prepared in cooperation with the Pennsylvania Department of Environmental Resources (Water-resources investigations report ; 90-4131) (Water-quality study of the Conestoga River Headwaters, Pennsylvania)
Microform図書
1992<YCA-I 19.42/4:90-4131>
National Diet Library
  • Subject HeadingWater quality -- Pennsylvania -- Measurement Watersheds -- Research -- Pen...

Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania : characterization of surface-runoff and ground-water quantity and quality in a small carbonate basin near Churchtown, Pennsylvania, prior to terracing and implementation of nutrient management / by Patricia L. Lietman ... [et al.] ; prepared in cooperation with the Pennsylvania Department of Environmental Protection. (Water-quality study of the Conestoga River Headwaters, Pennsylvania) (Water-resources investigations report ; 93-4119)

Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania : characterization of surface-runoff and ground-water quantity and quality in a small carbonate basin near Churchtown, Pennsylvania, prior to terracing and implementation of nutrient management / by Patricia L. Lietman ... [et al.] ; prepared in cooperation with the Pennsylvania Department of Environmental Protection. (Water-quality study of the Conestoga River Headwaters, Pennsylvania) (Water-resources investigations report ; 93-4119)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<NA217-A352>
National Diet Library
  • Subject Heading...a -- Sampling. Water quality -- Pennsylvania -- Measurement. Terracing -- Pennsylvania. P...

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