Item 90787 - Dorsey property, S. Side Island Avenue, Long Island, Portland, 1924 Item 90787 - Dorsey property, S. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 90787 Zoom 4818px x 3644px - 16.1"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 John F. Dorsey in 1924. Show Details