Access data from the processes critical to the formation, accumulation, occurrence, and alteration of geologically based energy resources; to conduct scientifically robust assessments of those resources' and to study the impact of energy resources occurrence and/or production and use on both environmental and human health. 

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Date published: May 19, 2016

The National Geologic Map Database

The USGS partners with the Association of American State Geologists (AASG) to develop a distributed archive of standardized geoscience information for the nation.