Coal resource classification system of the U.S. Geological Survey
Explore the source record for details and available documents.
Circular↗
Geology topics
Thomas M. Kehn
Publications and source records attributed to Thomas M. Kehn.
The Mauzy Formation, a new stratigraphic unit of Permian age in western Kentucky
Explore the source record for details and available documents.
Open-File Report↗
Geologic map of the Rosewood quadrangle, western Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geologic map of the Crofton quadrangle, Christian and Hopkins Counties, Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geologic map of the Kirkmansville quadrangle, Muhlenberg and Todd Counties, Kentucky
No abstract available.
Kentucky↗
Geologic map of the Sturgis quadrangle, western Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geologic map of the Paradise quadrangle, Muhlenberg and Ohio Counties, Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Sturgis Formation (Upper Pennsylvanian), a new map unit in the western Kentucky coal field
Explore the source record for details and available documents.
Bulletin↗
Geology of the west-central part of the Southern Anthracite field and adjoining areas, Pennsylvania
No abstract available.
Pennsylvania↗
Geologic map of the Pine Grove quadrangle, Schuylkill, Lebanon, and Berks Counties, Pennsylvania
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geology of the Ransom quadrangle, Lackawanna, Luzerne, and Wyoming Counties, Pennsylvania
No abstract available.
Pennsylvania↗
Geologic map of the Providence quadrangle, western Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geologic map of the Dawson Springs quadrangle, western Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geology of the Madisonville West quadrangle, Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geology of the Slaughters quadrangle, Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Geology of the Madisonville East quadrangle, Kentucky
Explore the source record for details and available documents.
Geologic Quadrangle↗
Selected annotated bibliography of the geology of uranium-bearing coal and carbonaceous shale in the United States
Explore the source record for details and available documents.
Bulletin↗
Results of 1952-1953 sampling of Chattanooga shale in Tennessee and adjacent states
Explore the source record for details and available documents.
Trace Elements Investigations↗