|Grain stocks per capita March 2020. Y axis is number of days at 4000 Calories per day. Blue line is corn (maize). Red line is corn plus wheat. Data from HERE. Note that the Y axis is logarithmic.
I created this chart to satisfy my curiosity, how many days is each state in the United States away from anarchy should interstate commerce cease.
|A closer look at the right end of the curve in tabular form. List started at Texas to include majority of highest population states.
Grain is reported as being in two places. "On-farm" which is exactly what it sounds like and "Off-farm" which includes grain in mills, elevators, warehouses, terminals, processors, train cars, barges and so on.
States with deep-water ports might have a significant amount of grain out-bound and that grain would be difficult to access for domestic consumption.
Significant amounts of corn are in the pipeline for hobby-farmer animal feed in states like New York. The corn that a horse owner panic bought for his horses might or might not become available for human consumption. In many cases, it means that the owner decided to euthanize his horse (or chickens). Good luck with that.
|Sorted for day's supply of wheat as reported by the USDA for March of 2020
Within state transport
If transportation between states pukes, then continued anarchy is likely to poison transportation within the state.
The fact that Illinois has 7 years of grain within its borders is meaningless to somebody living in Chicago if the resources that are more than 20 miles away might as well be on the moon.
Other big cities have the same issues.