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Mark Birkle: Horner Run - Little Niagara at Full Flow
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Mark Birkle: Horner Run Tributary
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Mark Birkle: Horner Run - Little Niagara Falls
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Mark Birkle: Horner Run - Little Niagara Falls
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Mark Birkle: Horner Run - Tributary
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Mark Birkle: Horner Run -Tributary