Item 92485 - Caroline Blackinger Heirs property, East End Avenue, Long Island, Portland, 1924 Item 92485 - Caroline Blackinger Heirs property, East End Avenue, Long Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 92485 Zoom 4770px x 3632px - 15.9"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 East End Avenue in Long Island, Portland, was owned by Caroline Blackinger Heirs in 1924. Show Details