RCW 88.32.180: Improvement by counties jointly.

Two or more adjoining counties, in which are lands to be benefited by any such improvement as is hereinbefore mentioned, and as will be partly or wholly within one or more of them, may jointly take advantage of the provisions of RCW 88.32.010 through 88.32.220, and the procedure in such cases shall, as nearly as may be, conform to the procedure above prescribed, but with the modifications hereinafter expressed.