Underground hygiene and sanitation /
by R.R. Sayers.
|Main Author:||Sayers, R. R. 1885-1965.|
Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1922.
Drinking water > Drinking water / Contamination.
"Report of Subcommittee on Mine Hygiene and Sanitation, Mining Section, National Safety Council. Detroit meeting, August 28 to September 1, 1923." -t.p.
11 p. ;
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