Tests of strength of roof supports used in anthracite mines of Pennsylvania : report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports

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Bibliographic Information

Title
"Tests of strength of roof supports used in anthracite mines of Pennsylvania : report of the United States Bureau of Mines to the Pennsylvania State Anthracite Mine Cave Commission and review of the compressive strength of anthracite, bituminous coals and mine supports"
Statement of Responsibility
[by George S. Rice]
Publisher
  • U.S.G.P.O.
Publication Year
  • 1929
Book size
24 cm

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Notes

Statement of responsibility from under caption title

At head of title: Department of Commerce, R.P. Lamont, secretary, Bureau of Mines, Scott Turner, director

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