DescriptionDerrick (PSF).png Line art drawing of a derrick. Source Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation Author Pearson...
Foundation Author Pearson Scott Foresman Permission (Reusing this file) Other versions Derrick (PSF).png Dewlap (PSF).png Details (PSF).png Designs (PSF).png...
DescriptionPSF D-240002.png Raw image from Pearson Scott Foresman donation Date 19 December 2007, 22:22 (UTC) Source scans from source by Pearson Scott...
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