RCW 79.140.100: Valuable materials from Columbia river—Agreements with Oregon.

The department is authorized and empowered to confer with and enter into any agreements with the public authorities of the state of Oregon, which in the judgment of the department will assist the state of Washington and the state of Oregon in securing the maximum revenues for sand, gravel, or other valuable materials taken from the bed of the Columbia river where the river forms the boundary line between the states.