
Lyman Viaduct stands as a significant engineering landmark on this late nineteenth-century survey, carrying the New York New Haven and Hartford Railroad Air Line Division across the steep valleys of Tolland and New London Counties. The landscape is defined by its transition from agricultural townships like Hebron and Marlboro to industrial hubs and railroad junctions. Notable water features such as Columbia Reservoir, Moodus Reservoir, and the sprawling Pocotopaug Lake reflect the region's reliance on water power and early reservoir management.
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7 editions found
1892 · Hartford
USGS Topo · 1:62,500
1892 · Woodstock
USGS Topo · 1:62,500
1892 · Tolland
USGS Topo · 1:62,500
1892 · New London
USGS Topo · 1:62,500
1892 · Norwich
USGS Topo · 1:62,500
1892 · Gilead
USGS Topo · 1:62,500
1893 · Guilford
USGS Topo · 1:62,500
1893 · Middletown
USGS Topo · 1:62,500
1893 · New London
USGS Topo · 1:62,500
1893 · Saybrook
USGS Topo · 1:62,500