Contract No. 112, Spillway at Shaft 2 of Quabbin Aqueduct, Holden, widened channel below riprapped spillway channel, looking back from near Sta. 2+75, Shaft 2, Holden, Mass., Nov. 20, 1940

Contract No. 112, Spillway at Shaft 2 of Quabbin Aqueduct, Holden, widened channel below riprapped spillway channel, looking back from near Sta. 2+75, Shaft 2, Holden, Mass., Nov. 20, 1940

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