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State
Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska
State of Alaska —
Report of Investigation 2006-2 v. 1.0.1, Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska, provides bedrock... -
State
Preliminary characterization of two coals from the upper Prince Creek Formation, Sagwon Bluffs, North Slope, Alaska
State of Alaska —
In July of 2018, the Alaska Division of Geological & Geophysical Surveys (DGGS) studied and sampled the coal beds within the upper section of the Prince Creek... -
Federal
Coal Fields of the Conterminous United States
Department of the Interior —
"Coal Fields of the Conterminous United States" is a digital representation of James Trumbull's "Coal Fields of the United States" (sheet 1, 1960), which is an...