alb3843102

Lucky Friday Mine

Isometric projection diagram of a typical deep silver mine in northern Idaho, showing surface operations, main shaft and tunnels. The Lucky Friday Mine (Hecla Mining Co.) has deepened its operations since this drawing was made to over 7,000 ft.
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Title:
Lucky Friday Mine
Caption:
Isometric projection diagram of a typical deep silver mine in northern Idaho, showing surface operations, main shaft and tunnels. The Lucky Friday Mine (Hecla Mining Co.) has deepened its operations since this drawing was made to over 7,000 ft.
Credit:
Album / Science Source / Theodore Clutter
Releases:
Model: No - Property: No
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Image size:
2433 x 3289 px | 22.9 MB
Print size:
20.6 x 27.8 cm | 8.1 x 11.0 in (300 dpi)