Snake River Steamboat Shoshone Makes Trial Run [otd 05/16]

On May 16, 1866, the stern-wheel steamboat Shoshone made its first trial run on the Snake River. The Oregon Steam Navigation Company had built the vessel in a rough temporary shipyard near the confluence of the Boise and Snake rivers.
Shoshone look-alike.* Oregon Historical Society.
Unfortunately, Idaho at that time had virtually no manufacturing infrastructure. Every piece of machinery boilers, engines, and so forth had to be hauled from Oregon by freight wagon over the Blue Mountains....