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.
Travis County ESD #1 shared Balcones Canyonlands NWR - Fire Management's photo. August 4 at 9:30am Â·. Balcones Canyonlands NWR - Fire Management will be burning 4 acres today on several plots located north of FM 1431 and west of Nameless Rd. in Travis County, some smoke will be visible throughout the afternoon.