GIS Data
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Structural-stratigraphic framework and correlation of coal beds in the Tongue River and Sentinel Butte Members of the Fort Union Formation, Daglum 15-minute quadrangle, Billings, Stark, and Slope Counties, North Dakota
The Daglum quadrangle of southwestern North Dakota (see index map) is underlain by 11 lignite beds that exceed 5 ft in thickness within the Sentinel Butte and Tongue River Members of the Fort Union Formation. Six of these bed crop out within the quadrangle. This report illustrates the stratigraphic position, correlation, extent, and structural attitude of the lignite beds.
Structure maps and seismic stratigraphy of the Yakataga segment of the continental margin, northern Gulf of Alaska
Multichannel seismic-reflection data show the late Cenozoic structure, seismic stratigraphy, and geologic history of the Yakataga segment of the continental margin, between Icy Bay and Kayak Island, northern Gulf of Alaska. The structure of the Yakataga segment consists of broad folds and associated thrust faults beneath the continental shelf and slope, trending generally northeast in the eastern
Surface-water resources of the central Wasatch Front area, Utah
No abstract available.
The magnetic field of the earth, 1980 magnetic declination
No abstract available.
The magnetic field of the earth, 1980 magnetic horizontal intensity
No abstract available.