Man Hole Cover | Deposit no pollution Fish pictogram Exhaust to tributary |
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nother of the “don't be irresponsible” messages scattered around Sedalia. I like how this one visually relates to the manhole cover. What about the detrimental effects on the environment of salt and road deicing chemicals?
“Frightening predictions indicate that with the continued yearly output of road salts, chloride and sodium concentrations in ground waters will well exceed their safe levels.” - Ken W.F. Howard
