After exploration by the Spanish and French in the 17th and 18th centuries, Oregon was mapped by the Lewis and Clark expedition in their search for the Northwest Passage. Beginning in the 1830s, many groups[…]
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After exploration by the Spanish and French in the 17th and 18th centuries, Oregon was mapped by the Lewis and Clark expedition in their search for the Northwest Passage. Beginning in the 1830s, many groups[…]