13 Free Images of Manhole Covers In Harvard University

Harvard Steam - manhole cover - Harvard University - Cambridge, MA - DSC02623
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Harvard Steam - manhole cover - Harvard University - Cambridge, MA - DSC02546
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Harvard Com - manhole cover - Harvard University - Cambridge, MA - DSC02550
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Harvard Com - manhole cover - Harvard University - Cambridge, MA - DSC02637
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Harvard Communications - manhole cover - Harvard University - Cambridge, MA - DSC02542
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H.C.E. - manhole cover - Harvard University - Cambridge, MA - DSC02569
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Steam - manhole cover - Harvard University - Cambridge, MA - DSC02602
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Diamond disk - manhole cover - Harvard University - Cambridge, MA - DSC02632
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Diamond disk - manhole cover - Harvard University - Cambridge, MA - DSC02625
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Telecommunications - manhole cover - Harvard University - Cambridge, MA - DSC02618
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Concrete lid - manhole cover - Harvard University - Cambridge, MA - DSC02675
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Grid disk in diamond ring - manhole cover - Harvard University - Cambridge, MA - DSC02616
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H U C - Harvard University - Cambridge, MA - DSC04766
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