http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
force required to move particles on a stream bed
1 online resource (23 unnumbered pages) : illustrations.
Title from title screen (viewed September 22, 2014).
Includes bibliographical references and index.
Professional paper (Geological Survey (U.S.)) ; no. 189-E
Shorter contributions to general geology ; 1937