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2. Calculating sediment discharge from a highway construction site in central Pennsylvania
3. Reconnaissance of mine drainage in the coal fields of eastern Pennsylvania
4. Temporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams
5. 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
6. Suspended-sediment yields from an unmined area and from mined areas before and after reclamation in Pennsylvania, June 1978-September 1983
7. Base-flow frequency characteristics of selected Pennsylvania streams
8. Floods in West Virginia, Virginia, Pennsylvania, and Maryland, November 1985
9. 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
10. A feasibility study to estimate minimum surface-casing depths of oil and gas wells to prevent ground-water contamination in four areas of western Pennsylvania
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