$CRK SEC Filings

Filing Filed On
2004 PROXY & CARD 14 Apr 2004
PROXY STATEMENT 17 Apr 2003
PROXY STATEMENT 5-13-2002 16 Apr 2002
PROXY STATEMENT 04 Apr 2001
PROXY STATEMENT 04 Apr 2000
PROXY STATEMENT 30 Apr 1999
PROXY STATEMENT 13 Apr 1998
DEFINITIVE PROXY MATERIAL 14 Apr 1997
DEFINITIVE NOTICE AND PROXY STATEMENT 18 Apr 1996
DEFINITIVE NOTICE AND PROXY STATEMENT 24 Apr 1995