It's in 4/4 time, 2 beats per chord shown:
"/" means repeat the previous chord

Gravel Walk 4/4 Adorian
|: Am / | / G | Am Em | C G :|
|: Am D | Am G |1. Am D | C Em :|
|2. Am C | C Em ||
|: / Am | / G | Am D | C G :|
|: C Am | C G | C Am | C Em |
| C Am | C G |1. Am C | C Em :|
2. Am / | C G ||