Carnegie Museum Curator Tim Pearce recently recompiled distribution maps of land snail species by county in Pennsylvania. My own county, Luzerne County, was among the least represented with less than 15 known species. So that's exciting in a way as now my information will be pretty valuable. Already I know a couple species that I've found aren't on the map. The pdf of distribution can be found at: http://www.carnegiemnh.org/assets/science/mollusks/WRCP%20report.pdf.
Here is the list of known species in Luzerne County: