Major anthropogenic physical disturbance
Columbia River: First dam on Columbia watershed: Willamette Falls Locks
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Columbia River: First dam on Columbia watershed: Willamette Falls Locks
Read MoreThe first mention of oyster cultivation (“propagation”) in the Pacific Northwest.
An Act for the Preservation of Clams and Oysters, Oregon Territory (included what was to become Washington Territory in 1854). Unlawful to take during May, June, Jul, and August from territorial waters; also illegal to take if resident for less than three months.
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