Maps, map showing works by which water may be taken from Assabet, Ware and Swift Rivers, to supplement supply from Nashua, Sudbury and Cochituate Watersheds, Mass., Dec. 1894

Maps, map showing works by which water may be taken from Assabet, Ware and Swift Rivers, to supplement supply from Nashua, Sudbury and Cochituate Watersheds, Mass., Dec. 1894

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