Ruth A.Steen;87;of Pasadena;Calif.;formerly of Belle Vernon;died Friday;Aug.20;1999;in North Arundel Hospital;Glen Burnie;Md. She was born April 30;1912;a daughter of the late Albert L.and Fannie Scott Romer. She was a member of St.Sebastian Roman Catholic Church;Belle Vernon;and the Catholic Daughters of the Americas Court 1522. She was a registered nurse for many years for the former Combustion-Engineering and Pittsburgh Steel companies. She had lived on Vernon Street in Belle Vernon until 1973. Survivors include one son and daughter-in-law;Albert and Joy Steen of Pasadena;Calif.;two grandchildren;Brent Steen and Cynthia Wescott;and two great-grandchildren. In addition to her parents;she was preceded in death by her husband;William (Bud) Steen in 1973;and one sister;Helen Redigan in 1968. Friends will be received Monday from 2 to 4 and 7 to 9 p.m. in the Ferguson Funeral Home Inc.;700 Broad Ave.;Belle Vernon;where a prayer service will be held Tuesday at 9:30 a.m.followed by Funeral Mass at 10 a.m. in St.Sebastian Roman Catholic Church;Belle Vernon. Burial will be in Belle Vernon Cemetery. The Ferguson Funeral Home;Inc.is in charge of the arrangements.