Item 82835 - Trefethen property, Both Sides Pleasant Avenue, Peaks Island, Portland, 1924 Item 82835 - Trefethen property, Both Sides Pleasant Avenue, Peaks Island, Portland, 1924 Contributed by City of Portland - Planning & Development Item 82835 Zoom 4830px x 3624px - 16.1"w x 12.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Dwelling at Both Sides Pleasant Avenue in Peaks Island, Portland, was owned by Elizabeth M. Trefethen in 1924. Show Details