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D5: XX023X and D2: XX0230, or you can play a regular D major 
and it sounds fine.  The D5 and D2 reflect the accented notes that
(I think) a second guitar plays.  I've tried to explain this at 
the bottom.  If you don't want to go to all that hassle, just strum
a D chord and occasionally lift your finger off the e-string.

A E D5 D2 x2

A     E      D5              D2
  Sin city      Please don't take
A            E          D5        D2
  My lover's heart, for mine will break
A         E          D5              D2
  It's no Pittsburg     Please don't go
A  E   D5  D2
O--hi--o

A E D5 D2 x2
 
A                E              D5       D2
  You can take a tug there, oh,   take a train
A        E      D5       D2      
  Either way, I ain't going
A         E          D5              D2
  It's no Pittsburg     Please don't go
A  E   D5 D2  D
O--hi--o

G                                  D
  And I could see her lying in the valley
     A
Down below
G                                     D
  And I could smell the green of those hills
               E
Those Kentucky hills

A                E              D5       D2
  You can take a tug there, oh,   take a train
A        E      D5       D2      
  Either way, I ain't going
A         E          D5              D2
  It's no Pittsburg     Please don't go
A  E   D5 D2 
O--hi--o

A E D5 D2 repeat


Notes:
Here's how I play the chords with one guitar and sound
reasonably like the recording.  Pluck the notes under the 
^ symbol, strum down \, strum up /.

 A          E          D5         D2
 ^  \ / / \ ^  \ / / \ ^  \ / / ^ ^  \ / / \
-0--------0-0--------0----------2-0--------0------|
----2-2-2-2----0-0-0-0-3--3-3-3------3-3-3-3------|
----2-2-2-2----1-1-1-1----2-2-2------2-2-2-2------|
-2--2-2-2---2--2-2-2---0--0-0-0-0-0--0-0-0--------|
--------------------------------------------------|
--------------------------------------------------|

 ^  \ / / \ ^  \ / / \ ^  \ / / \ ^  \ / / \
-0--------0-0--------0---------------0-----0------|
----2-2-2-2----0-0-0-0-3--3-3-3-3-3--3-3-3-3------|
----2-2-2-2----1-1-1-1----2-2-2-2-2--2-2-2-2------|
-2--2-2-2---2--2-2-2---0--0-0-0-0-0--0-0-0--------|
--------------------------------------------------|
--------------------------------------------------|

This is the riff played at the end
---7---5-7----------|
-(7)-8-----8--------|
--------------------|
--------------------|
--------------------|
--------------------|