Item 90921 - Adelaide Leavitt Estate property, S. Side Island Avenue, Long Island, Portland, 1924 Item 90921 - Adelaide Leavitt Estate property, S. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 90921 Zoom 4812px x 3516px - 16.0"w x 11.7"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 Adelaide Leavitt Estate in 1924. Show Details