notable
https://www.sds-1960s.org/PortHuronStatement-draft.htm
http://tomhayden.com/home/thank-you-john-podesta.html
On May 1, 2000, President Bill Clinton's executive order to
discontinue "Selective Availability" allowing users to receive a
non-degraded GPS signal globally was executed.
https://www.geocaching.com/geocache/GC25HPM_10-years-port-huron-michigan