On or off the race track?
If they are still using the system used in the past then...
... it is deposited just north of the interstate by a manifold as shown above. The only way that it gets further north down onto our courses is if the flats are flooded during the winter and the water carries it north. It could go about anywhere depending on the flooding and the wind direction. Not sure there was a lot of natural flooding this year?
If the 25% is accurate 100,000 tons would not do much in such a large area,
Sumner