http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Aerial photographs in geologic interpretation and mapping
1 online resource (vi, 230 pages) : illustrations, maps.
"The use of aerial photographs to obtain qualitative and quantitative geologic information, and instrument procedures employed in compiling geologic data from aerial photographs."
Includes bibliographical references (pages 224-227).
Ray, Richard G. (Richard Godfrey), 1920-.
Geological Survey professional paper ; 373