http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Australian Government Publishing Service for Bureau of Mineral Resources, Geology and Geophysics
15 p. : maps ; 25 cm. + 1 folded col. map in pocket.
At head of title: Department of Lands, Surveys and Mines, Geological Survey of Papua New Guinea.
1:250,000 Geological series - explanatory notes
1:250,000 geological series - explanatory notes (Australia. Bureau of Mineral Resources, Geology and Geophysics)