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1939 Map of Ayer

Name: 1939 Topographic Map of Ayer
Creator: U.S. Geological Survey
Published: 1939
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1939

About this map

Fort Devens occupies a significant portion of the landscape south of the Nashua River, showing the military installation as it appeared in the late 1930s. The town of Ayer serves as a central hub, where several lines of the Boston and Maine Railroad converge near Plow Shop Pond and Flannagan Pond. This rail network highlights the area’s industrial and transit importance, connecting the village of West Groton and Squannacook Junction to the broader region.

Institutional history is well-preserved across the quadrangle, from the expansive Groton School grounds to the more historic Shaker Village and the Poor Farm near Harvard. Notable landmarks like the US Quarantine near Littleton and the Groton Fair Grounds reflect the diverse social and governmental functions of the era. The terrain is marked by numerous family-named hills, such as Gibbet Hill and Pingry Hill, interspersed with substantial wetlands like Burnham Swamp.