sorry Bev - edited at the same time! - thumb there conflicts with left-justified figure
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| isbn = 0891816607
| isbn = 0891816607
}}
}}
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[[File:PinedaleFieldLandRig.png|thumb|Drilling rig in Pinedale field with the Wind River Mountains, Wyoming, USA in the background. Photo by Douglas McCartney.]]
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The parts of the rig can be grouped into five systems ([[:file:Land rig example drawing.png|Figure 1]]):
The parts of the rig can be grouped into five systems ([[:file:Land rig example drawing.png|Figure 1]]):