p. 29
Facsimile
Transcription
Status: Complete
27
Table showing the mean monthly level of the Milwaukee river above the city zero of grades, which is the level of the river in March 1836*; also the depth below surface of water in the canal.
[Data Table].
*Except below the high water of 1838
Red figures for observations made on L. Erie-Whittleseys Memoir
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