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Horizontal drilling for oil in Pennsylvania :a preliminary report
| Author: | Elder, C. W., |
|---|---|
| Year: | 1944 |
| Document Type: | BMRA |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.23:3779 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 3779 |
| Subject: | Oil well drilling--Pennsylvania |
| Link: | https://hdl.handle.net/2027/mdp.39015078497453 |
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