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Institution
Subject
Water quality
6
Nutrient pollution of water
4
Agriculture Environmental aspects
4
Groundwater
4
Groundwater Quality
4
Stream measurements
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3
Water quality management
2
Agricultural pollution
2
Coal mines and mining Environmental aspects
2
Fertilizers Environmental aspects
2
Hydrogeology
2
Hydrology
2
Stream conservation
2
Streamflow
2
Streamflow Computer simulation
2
Strip mining Environmental aspects
2
Water Pollution
2
Water-supply
1
Acid main drainage
1
Acid pollution of rivers, lakes, etc
1
Acid precipitation (Meteorology) Environmental aspects
1
Agricultural chemicals Environmental aspects
1
Aquatic biology
1
Aquifers
1
Benthos
1
Carbonate rocks
1
Groundwater Pollution
1
Groundwater flow
1
Groundwater flow Measurement
1
Hydrogeological surveys
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Author
Geological Survey (U.S.)
11
Pennsylvania. Department of Environmental Protection
6
Koerkle, Edward H.
5
Fishel, David K.
4
Barker, James L., 1936-
4
Langland, Michael J.
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4
Lietman, Patricia L.
3
Pennsylvania. Bureau of Mining and Reclamation
3
Pennsylvania. Department of Environmental Resources
3
Susquehanna River Basin Commission
3
Wood, Charles R.
2
Chester County Water Resources Authority
2
Chichester, Douglas C.
2
Delaware River Basin Commission
2
Delaware. Department of Natural Resources and Environmental Control
2
Durlin, Randall R.
2
Galeone, Daniel G.
2
Gustafson-Minnich, Linda C.
2
Hainly, Robert A.
2
Hall, David W.
2
Kostelnik, Kevin M.
2
Pennsylvania. Bureau of Land and Water Conservation
2
Senior, Lisa A.
2
Sloto, Ronald A.
2
United States. Army. Corps of Engineers. Philadelphia District
2
United States. Department of Agriculture
2
United States. Environmental Protection Agency
2
United States. National Park Service
2
United States. Office of Surface Mining Reclamation and Enforcement
2
Witt, Emitt C.
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Language
Genre
Literary Form
Region
Pennsylvania
6
Conestoga River Watershed
4
Chester County
3
Lancaster County
2
Delaware
2
Fayette County
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2
Somerset County
2
Susquehanna River, West Branch
2
United States
2
York County
1
Adams County
1
Carbon County
1
Clarion County
1
Dauphin County
1
Erie County
1
Indiana County
1
Indiantown Gap Military Reservation
1
Lebanon County
1
Little Scrubgrass Creek Watershed
1
Luzerne County
1
Maryland
1
Mill Creek Watershed (Lancaster County, Pa.)
1
Muddy Run Watershed (Lancaster County, Pa.)
1
New Castle County
1
New York (State)
1
Oley (Township)
1
Philadelphia
1
Philadelphia Metropolitan Area
1
Schuylkill County
1
Susquehanna River, West Branch (Pa.)
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Year of Publication