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17.
Mr. Tierney
asked the Secretary of State for Northern Ireland what progress has been made with the Coalisland drilling operation.
Mr. Concannon
The drilling of a borehole at Coalisland has been completed. Coals were encountered at a depth of approximately 3,500 feet but unfortunately the seams were too thin to be of commercial significance. However, the borehole has produced much interesting data which has yet to be fully evaluated.