0000908737-01-500100 424B3 1 20010703 IRON MOUNTAIN INC/PA 0001020569 4220 232588479 PA 1231 424B3 33 333-91577 1674585 745 ATLANTIC AVENUE BOSTON MA 02111- 6175354766 745 ATLANTIC AVENUE BOSTON MA 02111- PIERCE LEAHY CORP 19960807 424B3 1 imis424b.txt