Winsor Dam Outlet Works, galvanized steel baffle plate to be installed in 24" line just downstream from control valve, top view, Quabbin Reservoir, Mass., Sep. 13, 1944

Winsor Dam Outlet Works, galvanized steel baffle plate to be installed in 24" line just downstream from control valve, top view, Quabbin Reservoir, Mass., Sep. 13, 1944

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