<Li> November 20: Encounter of the Pacific Ocean at the mouth of the Columbia River . </Li> <Li> November 24: The Corps takes the matter of where to spend the winter to a vote . York, a slave, and Sacagawea, a woman, were allowed to vote . It was decided to camp on the south side of the Columbia River . </Li> <Li> December 7--March 23, 1806: Fort Clatsop sewed 338 pairs of moccasins . </Li> <Li> December 25: Fort Clatsop, the Corps' winter residence, is completed . </Li>

Who was hired to explore the louisiana territory