power shovel: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: IEEE Xplore Digital Library - Operating Experience of Shovel Drives for Mining Applications. | Dec 08, 2019 | ||
| Add new Web site: IEEE Xplore Digital Library - Operating Experience of Shovel Drives for Mining Applications. | Jun 10, 2018 | ||
| Add new Web site: Ohio History Central - Marion Steam Shovel Company. | Jun 10, 2018 | ||
| Media added. | Nov 24, 2010 | ||
| Article added to new online database. | Jul 20, 1998 |
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