Shows open cut sewers built prior to 1918, open cut sewers built during 1918, sandrock tunnel sewers built prior to 1918, and sandrock tunnel sewers built during 1918.; "Copyright 1919 by H.M. Smyth Printing Co."; "Sewers, plate no. 3"--Verso.
42 x 58 Centimeters
Scale approximately 1:28,000
Minneapolis and St. Paul Maps and Atlases
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