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USA Counties Generalized 2019
USA Counties (Generalized) provides 2017 boundaries for the counties of the United States in the 50 states and the District of Columbia. The linework has been generalized for... -
MITAS - 2009 Expedition US Beaufort Shelf Slope of Alaska - Lithostratigraphy
The volume of methane released through the Arctic Ocean to the atmosphere and its potential role in the global climate cycle has increasingly become the focus of studies seeking...