All the cities along the Mississippi River had been marked as contaminated to some extent.
2, 3) likes water contaminated by the visits of cattle or the drainings of manure.
Both the air and the water in their neighbourhood were contaminated thereby.
[Lord Kelvin's formula (I) may be applied to find the surf acetension of a clean or contaminated liquid from observations upon the length of waves of known periodic time, travelling over the surface.
Galena (q.v.), the principal lead ore, has a world-wide distribution, and is always contaminated with silver sulphide, the proportion of noble metal varying from about o of or less to o 3%, and in rare cases coming up to 2 or i %.