On top of Vesuvius, looking into larger crater. 11762 Interpositive
Underwood & Underwood
Silver gelatin on glass
1 item, 5" x 8"
Currently stored in box 3.2.40 
Smithsonian Institution, National Museum of American History : Archives Center. P.O. Box 37012, Suite 1100, MRC 601, Constitution Ave., between 12th and 14th Sts., N.W., Washington, D.C. 20013-7012. Call 202-633-3270 for appointment. Fax: 202-786-2453