File:Drill Rig.jpg
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current | 17:49, 24 October 2022 | 1,024 × 1,536 (455 KB) | Rmanwaring (talk | contribs) | ||
17:48, 24 October 2022 | 3,168 × 4,752 (6.26 MB) | Rmanwaring (talk | contribs) | https://upload.wikimedia.org/wikipedia/commons/3/32/2012_USACE_Geotechnical_Conference_%287804056386%29.jpg |
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