I would go with private land so you can manage it better and not have a crap shoot as to how many and what kind of guys you have hunting with you. Best bet would be to find land that borders SGL. It will give you the private land you need plus tons of acreage. You're land will eliminate access to the SGL from at least one side so you should have the bordering SGL to yourself.

30 miles from Reading would put you anywhere in Berks, Lehigh, Schuylkill and possibly Columbia Counties. I would look harder at the last two. More land and less people.