Mark Slater Anderson, age 43, of San Antonio, died Tuesday, October 22, 2002. Mark was the owner of Anderson Properties, which he started in 1990 and was very active in the Monticello Historic Park District. He was preceded in death by his niece, Vanessa Anderson. Survivors: parents, Douglas Cole Anderson, Denver, CO., and Patricia A. Doyle, Uvalde, TX; brother, Lyden Cole Anderson, Brackettville, TX; paternal grandfather, Donald Slater Anderson, Jr, Rye, NH; maternal grandmother, Alice B. Doyle, Sarasota, FL; uncle, Donald Slater Anderson III and wife, Abbie Jane, Hampton Falls, NH; aunt, Eileen and husband Warren Hastings, Sarasota, Fl. He also leaves many loyal friends and associates.