http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
portfolio of maps based on the 1971 census of agriculture
iii, 104 leaves : illustrations, maps ; 28 x 44 cm.
Background to agricultural activity -- Social characteristics -- Structural characteristics -- Operational characteristics -- Production characteristics -- Classification of agricultural types.
by Michael J. Troughton and the Cartographic Section, the Department of Geography, the University of Western Ontario.