Via the Independence Seaport Museum in Philly, where Dewey’s flagship Olympia and the old Balao-class diesel boat USS Becuna have been on display for generations:
“The Admiral/Captain’s stateroom aboard cruiser Olympia is paneled with American chestnut, which is now considered ‘functionally extinct’ according to The American Chestnut Foundation due to disease in that particular species.”
Image may be NSFW.
Clik here to view.
Clik here to view.

Olympia’s Admiral’s and Captain’s quarters today
Image may be NSFW.
Clik here to view.
Clik here to view.

Olympia’s Admiral’s stateroom in 1899
Image may be NSFW.
Clik here to view.
Clik here to view.

Olympia’s Admiral’s stateroom in 1899, looking aft
Image may be NSFW.
Clik here to view.
Clik here to view.

Olympia’s Captain’s stateroom in 1902
Of note, Olympia’s 125th birthday is this year, so if you are the City of Brotherly Love, swing on by and salute the old girl.