“…Industrial areas (Fleming and Parle, 1977;Delcarte et al, 1975;Pfeilsticker and Markard, 1975;Kloke, 1974). Mining areas (Donovan et ai., 1969;Thornton and Webb, 1975;Davies and Ginnever, 1979;Djuric et al, 1971;Takijima andKatsumi, 1973, Page, 1981).…”