Item 47131 - 561 Congress Street, Portland, 1924 Item 47131 - 561 Congress Street, Portland, 1924 Contributed by City of Portland - Planning & Development Item 47131 Zoom 4668px x 3666px - 15.6"w x 12.2"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Mercantile at 561 Congress Street in Downtown, Portland, was owned by Joshua Ross in 1924. The property was also owned by Sarah E. Peterson. Show Details