look not to be that guy but anyone writing about Spruce Pine, risk to quartz supply, and alternative sourcing: I wrote a deeply researched paper on the history of HPQ sourcing in the semiconductor industry and I've actually been to Spruce Pine unlike Conway doi.org/10.1109/MAHC...

This looks very interesting but unfortunately I have not been a member of IEEE for a decade or more and can not read it. Perhaps if you follow me I can send you my email. (Dipl.Ing Electrical Engineering, Electronics, Computing and Control, PhD Computing)