This isn't a big issue but Warin's post about rails used to move big objects. Then someone replied with some illustrations of gantries and that triggered my curiosity. There is a short section of the Trans-Alaska pipeline that crosses a well-known fault line where it is attached to slides to allow lateral movement in case of an earthquake. I split the pipeline way and added a note to the section but that probably isn't visible to most data consumers.
Any ideas? Photo here <https://www.dropbox.com/s/209xatghack8m35/Trans_Alaska_Pipeline_Denali_fault_shift.jpg?dl=0>: https://www.dropbox.com/s/209xatghack8m35/Trans_Alaska_Pipeline_Denali_fault_shift.jpg?dl=0 -- Dave Swarthout Homer, Alaska Chiang Mai, Thailand Travel Blog at http://dswarthout.blogspot.com
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