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The construction zone for County Crossing is rather large; the orchard takes up a good portion of the land, and the shack takes up very little in comparison, so more structures can be propped up if so desired. Accordingly, there is lots of land for more crops, and there is a small pond in the northern part of the settlement that can be used to large scale water production.
However, the settlement is in the middle of nowhere, without defenses on any of its sides. Given the region it is in, one can commonly expect County Crossing to be raided.
County Crossing appears only in Fallout 4.