Bill Staines' "River" easy ukulele chords C F G

Bill Staines' beloved song "River," performed in C major with 3 easy ukulele chords at 3 levels.
Verse 1: 1 strum per chord
Verse 2: Strum "1 2 3" on each chord
Verse 3: Strum "1 2+ 3+" on each chord
Vocal range: low G to G