in the 1700's
Lewis and Clark did in 1804. (Lewis and Clark Expedition)
Lewis and Clark
Lewis and Clark
It was discovered by Lewis and Clark on their expedition to the Pacific.
Lewis and Clark
Lewis and Clark
They discovered the Louisiana purchase!
the french; lewis and clark
in 1805-1806
They discovered the Northwest Passage.
the prairie dog
Not Indians, but Native Americans did but really who discovered Oregon like in European Lewis and Clark Spainis