Summary

1911 Encyclopædia Britannica, Volume 15… (1911)

“ The most extensive exposure occurs at Bahadur Khel, on the south bank of the Teri Toi. The annual output is about 16,000 tons, yielding a revenue of £40,000. Petroleum springs exude from a rock at Panoba, 23 m. east of Kohat; and sulphur abounds in the northern range. In 1901 the population was 217,865, showing an increase of 11% in the decade. The frontier tribes on the Kohat border are the Afridis, Orakzais, Zaimukhts and Turis. ”
Source: Wikisource

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