Depends. Put a liberal in charge of it, and in about a decade, no sand.
In all seriousness, Sahara dust does end up in FL via weather events.
Haven’t come across anything about where Gobi dust goes.
Hollywood’s been on the case for a while. I recall an “Elementary” epi a few years back with a plot point involving a NYS bridge that was being undermined by the illegal mining of river sand.
Havent come across anything about where Gobi dust goes.