Item 87783 - Zwicker property, S. Side Island Avenue, East End, Long Island, Portland, 1924 Item 87783 - Zwicker property, S. Side Island Avenue, East End, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 87783 Zoom 4728px x 3792px - 15.8"w x 12.6"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, East End in Long Island, Portland, was owned by Florence C. Zwicker in 1924. Show Details