Collection: Map Imagery
Parent Map: Official map of Maine prepared by State Highway Commission showing highway route numbers. March 24, 1929.
Title: Fort Machias (Fort O'Brien), 1929, Official map of Maine prepared by State Highway Commission showing highway route numbers. March 24, 1929.
Date Produced: 1929
Date Published: 1929
Description: Bordered image of Fort Machias (Fort O'Brien), Maine.
Subjects: Fortification
