This period saw the arrival of foreign and local mining and exploration companies to the area.
Because the local mining contractors hire criminals to ensure that more miners cannot come and bid in the Collectors' offices to submit the bids.
The King Street Institute was founded in 1921 to meet the demands of the local mining and railway industries.
The local mining included zinc, lead, and hard coal.
The company said that buying allowances "will help protect local mining and coal transportation jobs."
And there's tremendous pressure on us here, to alter the treaty so that most of the profits from local mining become the property of the transnationals.
In 1932 a brief resurgence in local mining led to the lines being briefly reopened.
He also introduced a bleachfield to supplement the local cloth trade, and built up a local mining and coal-selling business.
He also attempted to restart local limonite mining, an effort which proved a costly failure.
In subsequent decades local mining employed hard rock and placer techniques.