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Yieldable steel arches and yieldable steel ring supports in metal mines

Mining methods and costs, Kimballton Limestone Mine, Standard Lime and Cement Co., Giles County, Va.

Mining method, technique, and cost of presplitting the flood control gate shaft, Littleville Dam, Huntington, Mass.

Published Year

• 1960-1969 (3) *

Subject

• Mining engineering (2)
• Limestone--Virginia (1)
• Metal arches (1)
• Shaft sinking (1)

Author

• Eilertsen, Nils A. (3) *
• Paine, Rolf S. (1)

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