Item 85516 - Smith property, Valley Avenue, Great Diamond Island, Portland, 1924 Item 85516 - Smith property, Valley Avenue, Great Diamond Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 85516 Zoom 4770px x 3440px - 15.9"w x 11.5"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Summer Dwelling at Valley Avenue in Great Diamond Island, Portland, was owned by William Smith in 1924. William Smith Heirs Show Details