If you are in need of food or supplies at Ed Garvey Shelter, you can go to Himes Store, north of Weverton at 1324 Weverton Rd. 301-834-9815 Map
Himes Store is down the mountain from the Ed Garvey Shelter. There is a gated access road that begins about 35 yards north of Himes store and extends about 3/4 mile uphill to the AT. The junction w/ the AT is about 1/4 mile south of shelter.
It isn't marked and is a little concealed but if you're looking for it you'll probably see it.