Title: 1 + 2 Release date: 18th August, 1986 Record company: Mute Records Catalogue number: Stumm 31 Format: LP
Tracklisting: A 1 14:25 B 2 18:37
Title: Hydrology plus 1 + 2 Release date: 25th January, 1988 Record company: Mute Records Catalogue number: CD Stumm 51 Format: CD
Tracklisting: 1 Grain 7:43 2 Stone 14:33 3 The Sermon 15:03 4 1 14:25 5 2 18:37