J. W. Paul

Recent Articles on Petroleum and Allied Substances

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Advances in Soil Science

Volume 10

Soil is formed from physical and chemical weathering of rocks - processes described historically because they involve eons of time-by glaciation and b...

What the Superintendent of a Coal Mine Might Do to Prevent Injury from Falls of Roof

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Mechanical Loading for the Coal Mines of the Pittsburgh District

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A Study of Falls of Roof and Coal in Mines in the Number 8 Field of Eastern Ohio

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Roof Support in Coal Mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland County, Pa

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Roof Support in Coal Mines in the Irwin, Greensburg and Latrobe Basins, Westmoreland County, Pa

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