Good Morning Loretia,
I am really not very noligable about Mt Vernon anymore, as my mother has been deceased 18 years now. Her family was originally from there, but she moved to Decatur in her early teens.
The LSS's in Springfield that I am familiar with are: "Prairie Art Stamps", one of very few stores that still carry quite a few wood-mounted rubber stamps. They don't have a lot of paper though. The other is "Scrapbook Your Story". They have more paper, but less stamps. Springfield also has a Michael's and a Hobby Lobby.
Does anyone know of any others???
I have a friend that found a shop in Tremont, IL. It is close to Peoria, and has mainly wood-mounted stamps. It's a very small shop, but just crammed with stamps. She loved it!!!
Enjoy your day!!!