U. S. NATIONAL MUSEUM PROCEEDINGS, VOL. 62, ART. 16 PL. 2 
PHOTO-MICROGRAPHS OF THE DUNGANNON (VA.) METEORIC IRON. 
Enlarged about 10 diameters. 
1. Carbon nodule with included metal. 2. Granular kamacite. 3. Plessite with border 
of taenite. 
