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What Mr. Tschirgi Says About the Important Subject
The Dubuque Daily Herald Wednesday September 28, 1887 THE SEWERAGE. What Mr. Tschirgi Says About the Important Subject. Practical and Theoretical Comparisons of the Two Plans, as Prepared by Engineers Tschirgi and Davis. Some of the council were so anxious that an outside engineer be employed to approve the Chesbrough and Warring plans for the