History - Electric lamps on miners' helmets instead of carbide ones - started at Dome Mine.
- Porcupine Advance, 23 May 1934, 1, p. 6
- Media Type:
- See also: Porcupine Gold Rush. May 23, 1934, sec.2.p.2.
- Date of Publication:
- 23 May 1934
- Language of Item:
- Copyright Statement:
- Copyright status unknown. Responsibility for determining the copyright status and any use rests exclusively with the user.
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