Foam at sewage treatment plant, Los Angeles, 1951
Photograph. "Surprise feature -- Because housewives like a sudsy detergent, new problem was faced at plant. Foam forms in billowy masses and even blows over hill to El Segundo. Additional labor to eliminate washing machine, dishpan suds with effluent costs $1000 monthly." -- Examiner clipping attached to verso dated 29 July 1951.
EXMLOSANGCITSEW001EXMPSLOSANGCITSEW001Los Angeles City Sewage Hyperion project