$XEL SEC Filings

Filing Filed On
10-Q 15 May 1998
10-Q 14 Nov 1997
10-Q 13 Aug 1997
10-Q 15 May 1997
10-Q 14 Nov 1996
10-Q 14 Aug 1996
10-Q 15 May 1996
10-Q 13 Nov 1995
10-Q 03 Aug 1995
10-Q 15 May 1995
10-Q 14 Nov 1994
10-Q 12 Aug 1994
NSP (MN) 1ST QUARTER 1994 FORM 10-Q 16 May 1994