black rock dam

public

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Philadelphia & Reading Railroad, Black Rock Tunnel, Beneath Black Rock...

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.