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.
Roosevelt is located in Kiowa County. The following 7 counties adjoin and form the boundaries of Kiowa County: Beckham, Caddo, Comanche, Greer, Jackson, Tillman & Washita. Our Gazetteer shows that there are 121 communities within 40 miles [64.4 km] of Roosevelt. Of these communities, 104 are located in counties other than Kiowa County.