Original oil and gas trade magazine vintage ad for BROWN & ROOT, INC. of Houston, TX. Toward the Solution of a National Problem. Widespread pollution is reducing potable water. The effluents of a wide variety of industrial plants needlessly compound this problem, since contaminants in outgoing process water may be removed economically. Brown and Root has experience in this field, and examines each plant on the basis of its specifics. This unique 1962 old petroleum industry magazine advertisement would display beautifully matted and framed.