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31. Abandoned Sand and Pits: Indiana
2003. Indiana Geological Survey. SAND_GRAVEL_PITS_ABANDONED_IN is a point shapefile that shows the locations of abandoned sand and gravel pits in Indiana. It is derived from an unp...
32. Active and Dormant Landslides, Elk River Watershed, California, 1940-2000
1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This polygon shapefile depicts active and dormant landslides within the Elk River watershed in Humboldt County, California. This layer does not inc... California Geological Survey.
33. Active and Dormant Landslides (Small), Elk River Watershed, California, 1940-2000
1940. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This point shapefile depicts smaller active and dormant landslides within the Elk River watershed in Humboldt County, California. Features shown he... California Geological Survey.
34. Aeromagnetic, gravity anomaly, and derivative maps of the Craig and Dixon Entrance 1-degree by 3-degree quadrangles of southeastern Alaska
Geological Survey (U.S.). U.S. Geological Survey,.
35. Afrique fond géologique pour servir de base à des synthèses diverses ou à des cartes thèmatiques = Africa: geologic background to serve as a basis for various synthesis or thematic maps /
Unesco. United Nations Educational, Scientific and Cultural Organization,.
36. Afrique fond géologique pour servir de base à des synthèses diverses ou à des cartes thèmatiques. Africa: geologic background to serve as a basis for various synthesis or thematic maps.
Unesco. United Nations Educational, Scientific and Cultural Organization and Association of African Geological Surveys,.
37. Afrique occidentale, carte géologique des républiques de Côte d'Ivoire, du Dahomey, de Guinée, de Haute-Volta, du Mali, de Mauritanie, du Niger, du Sénégal, du Togo /
France. Bureau de recherches géologiques et minières. Bureau de recherches géologiques et minières,.
38. Ahmadnagar, Aurangābād, Bĭd, Buldāna and Jālna districts Mahārāshtra /
Geological Survey of India. Geological Survey of India,.
39. Akanko Hokkaidō abashiri shichō tokachi shichō kushiro shichō.
Kōgyō Gijutsuin Chishitsu Chōsajo,.
40. Akita-Yamagata chiiki katsukōzōzu /
Kinugasa, Yoshihiro. Chishitsu Chōsajo,.