Appomattox Basin
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Chemung Basin
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Delaware Basin
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James Basin
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Juniata Basin
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Lehigh Basin
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Passaic Basin
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| Old Point: Boonton, NJ (above Reservoir) |
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Potomac Basin
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Rappahannock Basin
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| Old Point: Fredericksburg, VA |
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Raritan Basin
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Shenandoah Basin
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Southeast PA & Delaware State Basins
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Susquehanna Basin (Lower Main Stem)
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| Old Point: Middletown, PA |
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Susquehanna Basin (North Branch)
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Susquehanna Basin (Upper Main Stem)
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Susquehanna Basin (West Branch)
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