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Mechanical safeguards in rotary drilling

Accidents in the California petroleum industry in 1923

Safe practices at oil derricks

Published Year

• 1920-1929 (3) *

Subject

• Oil well drilling (2)
• Drilling and boring (1)
• Industrial accidents (1)
• Machinery--Safety appliances (1)
• Petroleum industry and trade--California (1)

Author

• Miller, Harold Carl, (3) *
• Steidel, C. E., (1)

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