Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N359K - Bombardier Learjet 70 - Kiewit Engineering Group Inc DZR359 - 3.5 mi away @ 18450 ft, heading WNW at 434 mph. Spotted 2x before! [03:27:55 PM CDT] #A4071D #N359K #LJ70 #DOZER #DZR359 #ADSB #ADSBbot