http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Results of spirit leveling in Missouri, 1896 to 1914, inclusive
1 online resource (219 pages, I page of plate) : illustration.
Title from title screen (viewed June 30, 2014).
"Work done in cooperation with the State of Missouri from 1907 to 1914, inclusive."
Marshall, R. B. (Robert Bradford), 1867-1949.
Bulletin (Geological Survey (U.S.)) ; no. 568