This is my own interpretation of the song based on how I currently hear it.
===========================================================================
Dan Fogelberg - Illinois
Intro:
C Dm/C F/C C
C Dm/C F/C C
Verse 1:
C Dm/C
Dusty day dawning
F/C C
Three hours late
C Dm/C
Open the curtains
F/C C
And let the rest wait.
C Dm/C
My mind goes running
F/C C
Three thousand miles east
C Dm/C
I may miss the harvest
F/C C
But I won't miss the feast.
Chorus:
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
Verse 2:
C Dm/C
South California
F/C C
Your sun is too cold
C Dm/C
It looks like your hills
F/C C
Have been raped of their gold.
C Dm/C
I should have come out
F/C C
When I was first told
C Dm/C
This lamb has got to
F/C C
Return to the fold.
[ Tab from: https://www.guitartabs.cc/tabs/d/dan_fogelberg/illinois_crd.html ]
Chorus:
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
C [ch]Fm/C[/ch] Dm/C C
Illinois, I'm your boy.
Solo:
C Dm/C F/C C
C Dm/C F/C C
Verse 3:
C Dm/C
Flat on the prairies
F/C C
Soil and stone
C Dm/C
Stretching forever
F/C C
Taking me home
C Dm/C
'Cause I've got a woman
F/C C
Who waits for me there
C Dm/C
And I need a breath of that
F/C C
Sweet country air.
Chorus:
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
G F
And it looks like you're gonna have to see me again
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
C [ch]Fm/C[/ch] Dm/C C
Illinois, Illinois
C [ch]Fm/C[/ch] Dm/C C
Illinois, I'm your boy