$POR SEC Filings

Filing Filed On
10-K 30 Mar 1998
8-K 18 Dec 1997
10-Q 14 Nov 1997
10-Q 14 Aug 1997
8-K 11 Jul 1997
8-K 25 Jun 1997
8-K 05 Jun 1997
10-Q 15 May 1997
8-K 16 Apr 1997
8-K 17 Mar 1997
10-K 06 Mar 1997
8-K 18 Feb 1997
8-K 28 Jan 1997
8-K 21 Jan 1997
8-K 27 Nov 1996
8-K 18 Nov 1996
8-K 04 Nov 1996
10-Q 25 Oct 1996
8-K 16 Sep 1996
PRICING SUPPLEMENT NO. 1 27 Aug 1996