Item 85503 - Williams property, Valley Avenue, Great Diamond Island, Portland, 1924 Item 85503 - Williams property, Valley Avenue, Great Diamond Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 85503 Zoom 4680px x 3525px - 15.6"w x 11.8"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 Inez G. Williams in 1924. Show Details