[The series and its rules are explained here, where you will also find links to the songs for the other states.]
48:1. Green Rolling Hills: 'Oh, the green rolling hills of West Virginia / Are the nearest thing to heaven that I know'. (1, 2, 3.)
48:2. Country Road: 'West Virginia, mountain momma / Take me home, country roads'. (1, 2, 3, 4.)
48:3. I'm A Ramblin' Man: 'Left a girl in West Virginia'. (1, 2.)
48:4. Rhode Island Is Famous For You: 'Vests from Vest Virginia'. (1, 2, 3.)
48:5. West Virginia My Home: 'West Virginia, where I belong'. (1, 2, 3.)
48:6. West Virginia: 'West Virginia / You'll contin-ya'. (1, 2.)
48:7. This Protector: '300 people living out in West Virginia'. (1, 2, 3.)
48:8. Country Boy Can Survive: 'We came from the West Virginia coalmines'. (1, 2, 3, 4.)
48:9. Carrying Your Love With Me: 'I'm carrying your love with me / West Virginia down to Tennessee'. (1, 2, 3, 4.)
48:10. Boogie Back To Texas: 'West Virginia all the way'. (1, 2.)
48:11. Leaving West Virginia: 'Well, I'm leaving West Virginia in the morning'. (1, 2.)
48:12. They Don't Make 'Em Like My Daddy Anymore: 'From the Johnson County coal camps to the hills of West Virginia'. (1, 2, 3, 4.)
48:13. Love On A Greyhound Bus: 'On to [sounds like Ealing], West Virginia'. (1, 2.)