Sudbury River
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The Sudbury River is a 32.7-mile-long tributary of the Concord River in Middlesex County, Massachusetts, in the United States.
Section of the river in Wayland, Massachusetts
Sudbury River in Wayland
Sherman's Bridge Landing, Wayland
Downstream from the little falls, Simpson Park, Framingham
Egg Rock
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Egg Rock is an outcrop of Silurian Straw Hollow Diorite at the confluence of the Assabet and Sudbury rivers, where they form the Concord River in Concord, Massachusetts. The outcrop is located on a ro
View of Egg Rock around 1900, from "The History of Concord, Massachusetts", 1904
Photo of Egg Rock inscription, about 1900
As in Thoreau's time, ice still "slants up" to Egg Rock in the winter of 2009–2010. High-water marks darken the lower half of the inscription.
Canoeists paddling up the Sudbury River, seen from atop Egg Rock. The Concord River and Lowell Road bridge are in the background.