Read Article Sandy Graul, volunteer coordinator at the Greater Androscoggin Humane Society, scoops cat food last Tuesday from a large bag into individual bags to be given out at the newly expanded pet pantry at the Lewiston facility, Russ Dillingham/Sun Journal LEWSTON — Every Tuesday, families show up from 9 a.m. to 11 a.m. at the Greater Androscoggin Humane Society, desperate for pet food. Usually it is for their cat or dog. Sometimes they need to feed a bird or bunny. The Lewiston shelter does its best to fill every need. Now it’s working to fill those needs elsewhere as well.