http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
E.M. Douglas, geographer in charge ; topography by Arthur Stiles and J.F. McBeth ; surveyed in 1898-99 ; culture revised in 1909 by D.B. Penick and C.P. Jamerson.
Relief indicated by contours and spot heights.
Verso: text "Description of the topographic map of the United States", and standard symbols used.