well i am in Sullivan Indiana just south of Terre haute there are a few RV shoppes there you might be able to get with

wetnight RV Midwest RV
not sure how far from Sullivan you are they local lake has cabins for rent 40 bucks a night air
no shower but the have public bath house all over the camp ground

there is a few fish and wildlife areas down here two great hunting
i found a spot not 1/2 mile from the lake