I believe there is a problem with supply in the 1862 West scenario. Because there is no naval supply box, there is no way for the Union to get supplies to New Orleans, or any other Gulf port. Are these forces expected to live off the land?
I think that the Union player should have the ability to move supplies to Gulf ports. Otherwise I think they should be given a new supply ship every so often. Union logistics were not really that bad I'm sure.