Updated map:

Jonah Hex: 2050
19 issues
Hex #1-18
Secret Origins #21

Jonah Hex: Two Gun Mojo
18 issues
Jonah Hex: Two Gun Mojo #1-5
Jonah Hex: Riders of the Worm and Such #1-5
Jonah Hex: Shadows West #1-3
Weird Western Tales #1-4
Generation Hex #1

Jonah Hex: Retribution
24 issues
Jonah Hex #1-24

Jonah Hex: Six Gun War
25 issues
Jonah Hex #25-49

Jonah Hex: Tall Tales
23 issues
Jonah Hex #50-70
Weird Western Tales #71
DCU Holiday Special 2010

I left out No Way Out since I'm planning to have these hand sewn and already have it in HC. Also, decided to punt on guest appearances in Booster Gold and elsewhere.