The Oakland Tribune Collection, the Oakland Museum of California. Gift of ANG Newspapers.
Copyright status:
In Copyright
Copyright holder:
Oakland Museum of California
Content description:
Envelope reads "Hetch Hetchy Mitchell tunnel explosion 7/30." Photograph shows two men in gas masks which have backpacks attached to them. In addition they wear goggles and hats. They appear to be in a mine or excavation site and metal and wooden beams frame the men in the foreground. For more information about the Mitchell Tunnel explosion see h99.1.482.
Concepts:
hat; goggles; gas mask; pipe; interior; man; beam
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