‘Methods and costs of sinking a shaft through a fractured, water-bearing formation at Friedensville, PA’ by Warren Hastings, F.J. Kane and F.D. Wright.
Bureau of Mines Circular 7680
- This material is held at
- ReferenceGB 214 D624/8/2/4/7
- Dates of CreationMay 1954
- Physical Description1 booklet
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