Hi, Does anyone know how to remove a lid/cover off a Hamilton Industries metal map case that holds 5 drawers? Thank you, April Kobayashi, Librarian U.S. Geological Survey Denver Library MS-914 P.O. Box 25046, DFC Denver, CO 80225-0046 [log in to unmask] <https://mail.google.com/mail/?view=cm&fs=1&tf=1&[log in to unmask]> 303-236-1095