Item 89051 - Rounds property, W. Side Island Avenue, Peaks Island, Portland, 1924 Item 89051 - Rounds property, W. Side Island Avenue, Peaks Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 89051 Zoom 4776px x 3479px - 15.9"w x 11.6"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Power Plant at W. Side Island Avenue in Peaks Island, Portland, was owned by Edgar E. Rounds in 1924. Show Details