The geology and coals of Webster county. : An economic consideration of the coals, the structure and stratigraphy of this region, to which is added a detailed geological map of Web...

by Glenn, L. C. (Leonidas Chalmers), 1871-1951
Published 1922

Denudation and erosion in the southern Appalachian region and the Monongahela Basin /

by Glenn, L. C. (Leonidas Chalmers), 1871-1951
Published 1911

Denudation and erosion in the southern Appalachian region and the Monongahela Basin /

by Glenn, L. C. (Leonidas Chalmers), 1871-1951
Published 1911

Underground waters of Tennessee and Kentucky west of Tennessee River and of an adjacent area in Illinois /

by Glenn, L. C. (Leonidas Chalmers), 1871-1951
Published 1906

Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky /

by Ashley, Geo. H. (George Hall), 1866-1951, Glenn, L. C. (Leonidas Chalmers), 1871-1951
Published 1906

Geology and mineral resources of part of the Cumberland Gap coal field, Kentucky /

by Ashley, Geo. H. (George Hall), 1866-1951
Published 1906