With boats that could be towed by lines(pirogues) and canoes made from logs along the way.
It flows into the Mississippi River. Lewis and Clark used the Missouri River to navigate further west.it is a river. PERIOD
Lewis and Clark found the Missouri River.
Lewis and Clark explored Missouri River, and Columbia River.
Lewis and clark
lewis and clark
on their expedition Lewis and Clark went to the upper Missouri River region.
The Missouri river
Missouri River
So that they can find out what is in that area and what inhabitants live there.
No
they went up the Missouri river
no they did not they crossed the Missouri river