http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Results of spirit leveling in Tennessee, 1910 and 1911
1 online resource (45 pages, i page of plate) : illustration.
Title from title screen (viewed June 30, 2014).
"Part of work done in cooperation with State of Tennessee through the Tennessee State Geological Survey, George H. Ashley, State Geologist."
Marshall, R. B. (Robert Bradford), 1867-1949.
Bulletin (Geological Survey (U.S.)) ; no. 519