Supply deep in CSA territory

[patryn8]

O.k. scenario here I'm trying to understand. USA lands at Columbus Georgia, takes the depot there. I still control Ft. Gadsen in Florida, so it should blockade river supply for the USA. I also moved enough ships into the river and blockaded the harbor in Columbus Georgia. How is the union able to support an approximately 36,000 force there for years? I also set some level 4 and 5 entrenchments along the river as well to see if that would choke off supply. I don't have the save files anymore, but just curious as to what I was overlooking for the USA to supply such a large Army there, with no land links and supposedly being blockaded by land and sea. This was on version 1.15, the final update.

[Gray_Lensman]

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[denisonh]

How about the CSA operating in Southern Illinois with the Ohio blockaded for a year?

What does it take in terms of riverene units to block flow of supply?

[Gray_Lensman]

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[lodilefty]

Also, you can see http://www.ageod.net/agewiki/Supply for the latest from the dev team