Washington Revised Code Title 58. Boundaries and Plats § 58.28.020. Councils' duties when townsites on United States land--Survey and plat

Said council must cause a survey to be made by some competent person, of the lands which the inhabitants of said city or town may be entitled to claim under the said act of congress, located according to the legal subdivisions of the sections and by the section lines of the United States, and the same must be distinctly marked by suitable monuments; such survey must further particularly designate all streets, roads, lanes and alleys, public squares, churches, school lots, cemeteries, commons and levees as the same exist and have been heretofore dedicated in any manner to public use, and by measurement the precise boundaries and area of each, and every lot or parcel of land and premises claimed by any person, corporations or associations within said city or townsite must, as far as known by the surveyor, be designated on the plat, showing the name or names of the possessor or occupants and claimants, and in case of any disputed claim as to lots, lands, premises or boundaries the said surveyor, if the same be demanded by any person, shall designate the lines in different color from the body of the plat of such part of any premises so disputed or claimed adversely.