Author: | Parker, Dorsey Julian, |
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Year: | 1933 |
Document Type: | USBI |
Issuing Agency: | United States Bureau of Mines, |
SUDOC: | I28.27:6747 |
Series: | Information Circular / Bureau of Mines ; |
Report Number: | 6747 |
Subject: | Electricity in mining |
Link: | https://hdl.handle.net/2027/mdp.39015077572181 |