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Fishel, David K.

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Current results range from 1986 to 1991

1.
Hydrology and the hypothetical effects of reducing nutrient applications of water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices
Author
Fishel, David K.
Published
Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Books and Open-File Reports Section [distributor], 1991.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Lebanon and Schuylkill counties, Pennsylvania
Author
Fishel, David K.
Published
Harrisburg, Pa. : Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : U.S. Geological Survey, Books and Open-File Reports Section [distributor], 1988.
Online
Online book
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
3.
Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania
Author
Fishel, David K.
Published
Harrisburg, Pa. : U.S. Dept. of the Interior, Geological Survey ; Denver, Colo. : Open-file Reports, U.S. Geological Survey, [distributor], 1986.
Online
Online book
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
4.
Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania
Author
Fishel, David K.
Published
Harrisburg, Pa. : U.S. Dept. of the Interior, Geological Survey ; Denver, Colo. : Open-File Services Section, Western Distribution Branch, 1986.
Online
no. 85-4023
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online