Author: | Pollard, John A. |
---|---|
Additional Authors: | Heggem, Alfred George, |
Year: | 1914 |
Document Type: | USBM |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.7:66 |
Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 66 |
Subject: | Oil well drilling |
Link: | https://hdl.handle.net/2027/mdp.39015077560756 |