Geological Survey (U.S.), Pennsylvania. Department of Environmental Resources, & Fishel, D. K. (1992). 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. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Pennsylvania. Department of Environmental Resources, and David K. Fishel. 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. Lemoyne, Pa.: U.S. Dept. of the Interior, U.S. Geological Survey, 1992.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. 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. U.S. Dept. of the Interior, U.S. Geological Survey, 1992.