lead. A metallic element, atomic no. 82, atomic wt. 207.2; occurs in nature as an oxide or one of the salts, but chiefly as the sulfide, or galena; 210 Pb (half-life equal to 22.6 years) has been used in the treatment of certain eye conditions.ead. A metallic element, atomic no. 82, atomic wt. 207.2; occurs in nature as an oxide or one of the salts, but chiefly as the sulfide, or galena; 210 Pb (half-life equal to 22.6 years) has been used in the treatment of certain eye conditions.
Revillo, South Dakota. (Redirected from Revillo, SD) Revillo is a town in Grant County, South Dakota, United States. The population was 119 at the 2010 census. The name of the town most likely was derived from a backwards spelling of the proper name Olliver.
HCAD ID 22517, generally located west of FM 36 and north of Mission Way and being an approximate 56.065 acre tract of land situated in the D.C. Cady Survey, Abstract No. 157, Tract 53, Hunt County, Texas; and being more particularly described in Resolution No. 021417-1 of the City of Caddo Mills, Texas.