0000891092-04-002057 8-K 2 20040429 12 20040429 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 8-K 34 001-13045 04762595 745 ATLANTIC AVENUE BOSTON MA 02111 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111 PIERCE LEAHY CORP 19960807 8-K 1 e17686_8k.txt CURRENT REPORT EX-99.1 2 e17686ex99_1.txt PRESS RELEASE