Item 87722 - Griffin property, N. Side Island Avenue, Long Island, Portland, 1924 Item 87722 - Griffin property, N. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 87722 Zoom 4866px x 3737px - 16.2"w x 12.5"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Summer Dwelling at N. Side Island Avenue in Long Island, Portland, was owned by Margaret E. Griffin in 1924. Also known as "Westover". Show Details