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You searched for: Publisher U.S. Geological Survey (USGS) Remove constraint Publisher: U.S. Geological Survey (USGS) Access Public Remove constraint Access: Public Place Earth (Planet) Remove constraint Place: Earth (Planet) Data type Polygon Remove constraint Data type: Polygon
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1. World (Geological Ages, 2003)

USGS and United States Geological Survey (USGS)Date: June 29, 1999Title Geologic Map (geo_join). Geologic ages of various parts of the world from the USGS Global GIS dataset.The World Energy Assessment created geologic maps of 7 regions. These ... U.S. Geological Survey (USGS).