Item 91711 - Harris property, S. Side Island Avenue, Long Island, Portland, 1924 Item 91711 - Harris property, S. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 91711 Zoom 4788px x 3551px - 16.0"w x 11.8"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Summer Dwelling at S. Side Island Avenue in Long Island, Portland, was owned by Gertrude Harris in 1924. Also known as "Harris Cottage". Show Details