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Some New Approaches to Improved Ventilation of the Working Face.
Proc NCA/BCR Coal Conf Louisville Kentucky 1976 Oct; :325-338
Research sponsored by the Bureau of Mines has shown that working face ventilation can be greatly improved by devices which create a strong sweep of air across the face in the same direction as the normal airflow. Three methods tested that have yielded substantial improvements in face ventilation are discussed.
Proc. NCA/BCR Coal Conf., Louisville, Kentucky, Oct. 19-21, 1976, PP. 325- 338