http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
At head of title: U.S. Dept. of Agriculture. Bureau of Soils.
"Advance sheets--Field operations of the Bureau of Soils, 1907."
Microfilm. College Station, Tex. : Microfilmed by Southwest Micropublishing, Inc. on behalf of Texas A&M University General Libraries, 2000. 1 microfilm reel ; 35 mm. (USAIN state and local literature preservation project, Texas ; reel 82.10)
USAIN state and local literature preservation project, Texas ; reel 82.10