Bion H. Kent

Sedimentary environments and coal-forming mechanism of the Jurassic Yanʻan Formation, Huangling mining area, Ordos Basin, China

Geology and resource appraisal of the Felix coal deposit, Powder River Basin, Wyoming

Geologic map of the Mather quadrangle, southwestern Pennsylvania

Geology and land use in eastern Washington County, Pennsylvania

Geologic causes and possible preventions of roof fall in room-and-pillar coal mines

Geologic map of the Prosperity quadrangle, southwestern Pennsylvania