Schaefer, J. R., 2005, 30-meter shaded relief image of Okmok Volcano, Umnak Island, Alaska: Alaska Division of Geological & Geophysical Surveys Raw Data File RDF 2005-01, 1 CD-ROM.
MapInfo .TAB file : 1 KB
.TFW file : 1 KB
TIFF image file : 17.4 MB
image of shaded relief TIFF file : 26 KB
metadata for RDF 2005-01 : 23 KB