The Fairhaven business district, for purposes of this chapter, shall be defined as the area depicted upon the map following this chapter, and as described as follows: that area bounded by Mill Avenue on the north from 10th Street to 13th Street to Larrabee Avenue on the east, Larrabee Avenue on the south from 13th Street to 10th Street and 10th Street from Larrabee to Mill Avenue on the west. In addition the prohibited area in the Fairhaven district includes 12th Street from Larrabee Avenue to Cowgill and sidewalks on both sides of the street for that distance, and Harris Avenue from 10th Street to 4th Street, including sidewalks.