
The Merrimack River carves a deep valley through this borderland, where the suburban growth of Nashua and Hudson meets the rural reaches of Dunstable and Tyngsborough. By the mid-1960s, the Everett Turnpike had already transformed the landscape with multiple interchanges, including Interchange 5 and Interchange 4, facilitating rapid expansion south of the New Hampshire line. Despite this modernization, the industrial and educational foundations of the region remain prominent, visible in the sprawling grounds of Rivier College and the Boston and Maine RR corridors.
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7 editions found
1886 · Lowell
USGS Topo · 1:62,500
1893 · Lowell
USGS Topo · 1:62,500
1893 · Groton
USGS Topo · 1:62,500
1905 · Manchester
USGS Topo · 1:62,500
1906 · Milford
USGS Topo · 1:62,500
1918 · Lowell
USGS Topo · 1:62,500
1921 · Lowell
USGS Topo · 1:62,500
1931 · Lowell
USGS Topo · 1:48,000
1931 · Groton
USGS Topo · 1:48,000
1935 · Ayer
USGS Topo · 1:24,000