Closeups:
Blue Ridge near D.C. multi-directional shading
Mt. Katahdin, Maine multi-directional shading
Grand Canyon - multi-directional shading
Grand Canyon - single-directional shading
Area north of Los Angeles multi-directional shading
Readme documentation
Online Files for downloading
URL: https://pubs.usgs.gov/openfile/of99-011/
Contact: pschrube@usgs.gov
Last modification: April 28, 1999
