$HES SEC Filings

Filing Filed On
PRIMARY DOCUMENT 15 Aug 2006
PRIMARY DOCUMENT 14 Aug 2006
PRIMARY DOCUMENT 14 Aug 2006
PRIMARY DOCUMENT 14 Aug 2006
PRIMARY DOCUMENT 11 Aug 2006
PRIMARY DOCUMENT 11 Aug 2006
PRIMARY DOCUMENT 11 Aug 2006
PRIMARY DOCUMENT 11 Aug 2006
PRIMARY DOCUMENT 11 Aug 2006
PRIMARY DOCUMENT 10 Aug 2006
PRIMARY DOCUMENT 10 Aug 2006
PRIMARY DOCUMENT 10 Aug 2006
PRIMARY DOCUMENT 10 Aug 2006
PRIMARY DOCUMENT 10 Aug 2006
PRIMARY DOCUMENT 09 Aug 2006
PRIMARY DOCUMENT 09 Aug 2006
PRIMARY DOCUMENT 09 Aug 2006
PRIMARY DOCUMENT 08 Aug 2006
PRIMARY DOCUMENT 08 Aug 2006
PRIMARY DOCUMENT 08 Aug 2006