0000908737-04-000010 8-K 1 20040109 9 20040109 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 8-K 34 001-13045 04517770 745 ATLANTIC AVENUE BOSTON MA 02111 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111 PIERCE LEAHY CORP 19960807 8-K 1 imis8k_jan9.htm