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Driving Bench Work and Dumping from Heading

Driving Bench Work and Dumping from Heading.jpg 'Stopeing out' enlargement, East End Hoosac TunnelThumbnailsGeorge M. Mowbray'Stopeing out' enlargement, East End Hoosac TunnelThumbnailsGeorge M. Mowbray'Stopeing out' enlargement, East End Hoosac TunnelThumbnailsGeorge M. Mowbray'Stopeing out' enlargement, East End Hoosac TunnelThumbnailsGeorge M. Mowbray'Stopeing out' enlargement, East End Hoosac TunnelThumbnailsGeorge M. Mowbray