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Mark Webb/The Herald-Dispatch

Capt. Dan Elder explains technological advancements inside the pilot house aboard the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

Four-year-old Luke Byrd of South Point, Ohio, checks out the pilot house located aboard the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

The engine room of the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

The National Maritime Days Celebration is held Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

Capt. Dan Elder explains technological advancements to Rita Kennedy inside the pilot house aboard the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

Pilot house of the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

Guests tour the kitchen aboard the AEP Mariner during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

Living quarters of the AEP Mariner is shown during the National Maritime Days Celebration on Sunday, Aug. 31, 2008, at Harris Riverfront Park.

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Mark Webb/The Herald-Dispatch

The National Maritime Days Celebration is held Sunday, Aug. 31, 2008, at Harris Riverfront Park.

Purchase this photo