Unio (sternwheeler)

Advertisement for steamer Union ex Unio, February 22, 1865
History
Name	Unio, later, Union
Owner	John T. Apperson, James D. Miller, People’s Transportation Co.
Route	Willamette and Yamhill rivers
Builder	J.T. Apperson
Launched	October 1865, at Canemah, OR
In service	1861
Out of service	1869
Identification	U.S. 25165
Fate	Sunk on Yamhill River near Lafayette, OR, salvaged, dismantled.
Notes	Boiler and engines to a new steamer built for Umpqua River service.
General characteristics
Type	inland steamship
Tonnage	111.59
Length	96 ft (29.3 m), and after reconstruction, 191 ft (58.2 m)
Beam	16 ft (4.9 m)
Draft	about 4 ft (1 m) when loaded
Decks	three (freight, passenger, boat)
Installed power	twin steam engines, single cylinder, 9-inch bore, 48-inch stroke
Propulsion	sternwheel

Unio was a small sternwheel-driven steamboat which operated on the Willamette and Yamhill rivers from 1861 to 1869. This vessel is primarily remembered for its having been named Unio when built in 1861, in the first year of the American Civil War, and then having the name completed, to Union, by a new, staunchly pro-Union owner, James D. Miller. Union appears to have sunk in 1869, been salvaged, and then dismantled, with the machinery going to a new steamer then being built for service on the Umpqua River.