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The National Petroleum Reserve, Alaska, (NPRA) Legacy Data Archive represents one of the largest geological and geophysical data sets held by the U.S. Geological Survey.  Two exploration programs by the U.S. Navy and USGS collected over 12,000 line miles of seismic data and drilled 28 wells.  These programs generated a vast amount of data, analyses, and documents, much of which is presented here.

Since January of 1989, the U.S Geological Survey Energy Resources Program Geochemistry Laboratory Database (EGDB) has grown to contain the analytical data for over 200,000 samples worldwide. The EGDB contains chemical analysis data for crude oil, natural gas, coal, water, and rock samples analyzed by the USGS Energy Resources Science Center’s Geochemistry Laboratory, or by contracted-service labs.

This page provides access to data from various USGS World Geologic Maps.

This link is a page to download GIS and tabular data from World Oil and Gas Assessments spanning from 2000 to 2012.

Circum-Arctic Resource Appraisal GIS Data Downloads provides Assessment Unit and Province-level details from the 2008 Assessment in 33 geologic provinces north of the Arctic Circle.

The content available here represents an archive of a publication released in 1994 entitled International Phase of Ocean Drilling:  Seismic Line 1 Demultiplexed Data, Cape Hatteras to Mid-Atlantic Ridge.

This map shows the provinces assessed by the USGS for undiscovered oil and gas resources. 

Coal Assessment Data Sets

Colorado Plateau Data Sets from the Central Energy Resources Science Center Coal Assessment

Coal Assessment Data Download

Coal Assessment Data Download

Interactively explore assessment summary information for continuous (unconventional) assessments conducted at the USGS from 2000-2018. The assessment results data used to generate this visualization can be downloaded here in Excel Format.  These data represent all assessment results for Continuous Assessments only from 2000-2018.