I agree with MrsGorp. You can probably get away without drops to all of these places, but maybe you have special dietary needs or maps or something..
Consider sending a drop to the Relax Inn near Atkins (which is right ON the trail) and skipping Bland, and dropping into the small market (Trents) that MrsGorp mentions. Bland can be an annoying hitch and there isn’t much there.
I hear theres a new Outfitter in Port Clinton, maybe they will accept packages. This might be one of those places you wanna make SURE you get to the PO on time.
As for DWG, if you cannot send one to the church hostel, you can send em’ to Mohican Outdoor Center in NJ, just 10 miles north of the Gap. This great facility is only .3 off trail.
Most likely if you can get your hands on the Handbook, Companion or the Appalachian Pages you’ll find lots more options than we provided.
_A-Train_