an anyone tell me why the first macro works but the second macro will not work 

This works
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
ActiveCell.Offset(1, -1).Range( _
"A1,A4,A7,A10,A13,A16,A19,A22,A25,A28,A31,A34,A37,A40,A43,A46,A49,A52,A55,A58,A61,A64,A67,A70,A73,A76,A79,A82" _
).Select
Selection.Copy
Sheets("Graph").Select
Range("X149").Select
ActiveSheet.Paste
Application.CutCopyMode = False
Range("W149").Select
This will not work
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
ActiveCell.Offset(1, -1).Range( _
"A1,A4,A7,A10,A13,A16,A19,A22,A25,A28,A31,A34,A37,A40,A43,A46,A49,A52,A55,A58,A61,A64,A67,A70,A73,A76,A79,A82,A85,A88,A91,A94,A97,A100,A103,A106,A109,A112,A115,A118,A121,A124,A127,A130,A133,A136,A139,A142,A145,A148,A151,A154,A157,A160,A163,A166,A169,A172,A175,A178,A256,A181,A184,A187,A190,A193,A196,A199,A202,A205,A208,A211,A214,A217,A220,A223,A226,A229,A232,A235,A238,A241,A244,A247,A250,A253,A256,A259,A262,A265,A268,A271,A274,A277,A280,A283,A286,A289,A292,A295,A298,A301,A304,A307,A310,A313,A316,A319,A322,A325,A328,A331,A334,A337,A340" _
).Select
Selection.Copy
Sheets("Graph").Select
Range("AD149").Select
ActiveSheet.Paste
Application.CutCopyMode = False
Range("A1").Select
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
Application.CutCopyMode = False
Regards
Sam
This works
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
ActiveCell.Offset(1, -1).Range( _
"A1,A4,A7,A10,A13,A16,A19,A22,A25,A28,A31,A34,A37,A40,A43,A46,A49,A52,A55,A58,A61,A64,A67,A70,A73,A76,A79,A82" _
).Select
Selection.Copy
Sheets("Graph").Select
Range("X149").Select
ActiveSheet.Paste
Application.CutCopyMode = False
Range("W149").Select
This will not work
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
ActiveCell.Offset(1, -1).Range( _
"A1,A4,A7,A10,A13,A16,A19,A22,A25,A28,A31,A34,A37,A40,A43,A46,A49,A52,A55,A58,A61,A64,A67,A70,A73,A76,A79,A82,A85,A88,A91,A94,A97,A100,A103,A106,A109,A112,A115,A118,A121,A124,A127,A130,A133,A136,A139,A142,A145,A148,A151,A154,A157,A160,A163,A166,A169,A172,A175,A178,A256,A181,A184,A187,A190,A193,A196,A199,A202,A205,A208,A211,A214,A217,A220,A223,A226,A229,A232,A235,A238,A241,A244,A247,A250,A253,A256,A259,A262,A265,A268,A271,A274,A277,A280,A283,A286,A289,A292,A295,A298,A301,A304,A307,A310,A313,A316,A319,A322,A325,A328,A331,A334,A337,A340" _
).Select
Selection.Copy
Sheets("Graph").Select
Range("AD149").Select
ActiveSheet.Paste
Application.CutCopyMode = False
Range("A1").Select
Sheets("Readings").Select
Application.Goto Reference:="START_COLUMN"
Application.CutCopyMode = False
Regards
Sam