1592954036000 1312632483000 term-84488 1616541333770 1312632582000 1616290583442 adlib fitz-online adlib-term-84488 8f00d5e6-dc80-3d94-b547-8ab38bd71761 2 1 scope note Small, portable derricks guyed by ropes. PUTNAM reference term-82234 adlib-term-82234 20a8cdcd-f1c6-3f80-9b7d-8fd13407ceec pole derrick V.TH.AFU.AXC.BIQ.BCW.BCW.AFU.ALO 1 code V.TH.AFU.AXC.BIQ.BCW.BCW.AFU.ALO 1 pole derricks reference term-82232 adlib-term-82232 f11eb220-b744-38c5-bcde-ad43b5089b0a derricks pole derricks term