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- Geological Survey (U.S.)5
- Hay\u02BCah al-Miṣrīyah al-ʻĀmmah lil-Misāḥah al-Jiyūlūjīyah wa-al-Mashrūʻāt al-Taʻdīnīyah5
- France. Bureau de recherches géologiques et minières4
- Guo jia di zhen ju di zhi yan jiu suo (China)1
- Instituto Tecnológico Geominero de España. Cartografía Geológica1
- Kokuritsu Kyokuchi Kenkyūjo.1
- Ma, Lifang1
- McMechan, Margaret E. (Margaret Evaline), 1953-1
- Muro, Sandro de.1
