http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (61 pages, IX pages of plates) : illustrations.
Title from title screen (viewed June 26, 2014).
Munroe, Charles E. (Charles Edward), 1849-1938.
Bulletin (Geological Survey (U.S.)) ; no. 423