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Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

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The Fire Clay and Whitesburg coals in the Hyden quadrangle, Leslie, Clay, and Perry Counties, Kentucky

This preliminary report on the coal in the Hyden quadrangle, Kentucky, presents data on two of the principal commercial coals.  The Fire Clay is the most valuable commercial coal in the quadrangle, and locally the Whitesburg bed is of minable thickness.  Special emphasis has been placed on determining the thickness, extent, composition, and structure of these beds, and on obtaining an accurate est