Item 87794 - Knight property, N. Side Island Avenue, Long Island, Portland, 1924 Item 87794 - Knight property, N. Side Island Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 87794 Zoom 4842px x 3653px - 16.1"w x 12.2"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Dwelling at N. Side Island Avenue in Long Island, Portland, was owned by William C. Knight in 1924. Show Details