Report of an investigation of the rivers of Ohio as sources of public water supplies.
Rivers > Rivers / Ohio.
Water-supply > Water-supply / Ohio.
2nd- "Reprinted from the 13th- Annual report of the Ohio State Board of Health."
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|Full view [1st] (1897-1898)||Harvard University|
|Full view 2nd (1899)||Harvard University|
|Full view 3rd (1900)||Harvard University|
|Full view 4th (1901)||Harvard University|
|Full view 1897-98||University of Michigan|
|Full view 1897-98 1899-1898||The Ohio State University|
|Full view 1900||University of Michigan|