Item 10890 - Map of Portland, 1909 Item 10890 - Map of Portland, 1909 Contributed by Maine Historical Society Item 10890 Zoom 2913px x 5138px - 9.7"w x 17.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info Map of Portland from the "Guide and souvenir of Portland" 1909. This map shows railroads, wards and streets of Portland. Show Details