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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Geological directory of the British Isles. A guide to information sources.
  • Geological Society of London. Geological Information Group. London, Royaume-Uni
  • 1978
  • Geologic map of the Yemen arab Republic (San'a). 1: 500000.
  • US Geological Survey, Etats-Unis
  • 1978
  • Geological data presented cartographically fall into three general types: direct observational data, indirect data obtained by transformation of observational data by operational procedures, and interpretative data obtained by inference from direct
  • and indirect data. Geological maps are divided on subject-matter basis into the following types: geologic maps, stratigraphic maps, tectonic maps, palinspatic maps and paleogeographic maps, hydrogeological maps, engineering geology maps, geochemical maps
  • 1978
  • Ministry of Mines. Geological Survey, Indonesie
  • US Department of State. Agency for International Dévelopment. US Geological Survey, Etats-Unis
  • 1978