0000950136-04-002388 DEFA14A 1 20040802 20040802 BHA GROUP INC 0000801128 3564 431416730 DE 0930 DEFA14A 34 000-15045 04944362 8800 E 63RD ST KANSAS CITY MO 64133 8163568400 8800 E 63RD STREET KANSAS CITY MO 64133 DEFA14A 1 file001.txt DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS