Oregon-Washington Columbia River boundary compact — Ratification.

RCW 43.58.050
in effect
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The interstate compact determining the Oregon-Washington boundary on the Columbia River which was executed on the 21st day of December, 1956 by the Oregon commission on interstate cooperation for the state of Oregon and the Washington-Oregon boundary commission for the state of Washington is hereby ratified and approved. The interstate compact determining the Oregon-Washington boundary on the Columbia River which was executed on the 21st day of December, 1956 by the Oregon commission on interstate cooperation for the state of Oregon and the Washington-Oregon boundary commission for the state of Washington is hereby ratified and approved.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=43.58&full=trueFetched: 6/29/2026

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