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Summary
| Description |
English: This picture was taken shortly after a rock burst at a deep mine in the Western United States. The walls of the mine (normally vertical) have nearly closed and many of the support members (bolts and mesh) are severely damaged. The yellow material is an inflatable fan tube used to force air to the working face. |
| Date | |
| Source | This picture was taken by a United States Bureau of Mines (USBM) researcher investigating the damage associated with a rockburst in deep underground mine. |
| Author | unknown USBM researcher |
Licensing
|
This image or media file contains material based on a work of a United States Department of the Interior employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the Department of the Interior copyright policy for more information. |  |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:33, 22 March 2019 | | 914 × 745 (158 KB) | Djachambers | User created page with UploadWizard |
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- Usage on ja.wikipedia.org
