Item 91494 - Adelaide Levett Estate property, S. Side Island Avenue, Long Island, Portland, 1924 Item 91494 - Adelaide Levett Estate property, S. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 91494 Zoom 4866px x 3632px - 16.2"w x 12.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Shed at S. Side Island Avenue in Long Island, Portland, was owned by Adelaide Levett Estate in 1924. Show Details