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1Published 1983Subjects: “...Hydrology Pennsylvania....”
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2Published 1981Subjects: “...Hydrology Pennsylvania Clarion River Watershed....”
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3by Herb, William J.Subjects: “...Hydrology Pennsylvania....”
Published 1981
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4Subjects: “...Hydrology Pennsylvania Philadelphia metropolitan area....”
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5Published 1983Subjects: “...Hydrology Pennsylvania....”
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6by Staubitz, W. W. (Ward W.)Subjects: “...Hydrology Pennsylvania....”
Published 1983
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7
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8Published 1972Subjects: “...Hydrology Pennsylvania Lehigh County....”
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9Published 1989Subjects: “...Urban hydrology Pennsylvania Philadelphia Region....”
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10
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11Subjects: “...Hydrology Pennsylvania Bixler Run Watershed....”
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12by Reed, Lloyd A.Subjects: “...Hydrology Pennsylvania Tioga County....”
Published 1980
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13by Fulton, John W.Subjects: “...Water balance (Hydrology) Pennsylvania Centre County....”
Published 2015
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14by McLanahan, Leona O.Subjects: “...Hydrology Pennsylvania....”
Published 1991
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15Subjects: “...Water balance (Hydrology) Pennsylvania Montgomery County....”
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16by Herb, William J.Subjects: “...Hydrology Pennsylvania....”
Published 1981
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17by Langland, Michael J.Subjects: “...Hydrology Pennsylvania York County....”
Published 1995
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18by Fishel, David K.Subjects: “...Hydrology Pennsylvania York County....”
Published 1991
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19Published 1989Subjects: “...Hydrology Pennsylvania Periodicals....”
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20Published 1966Subjects: “...Hydrology Pennsylvania Neshaminy Creek Watershed....”
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