"Stratigraphie Carbonifère." . . "Geology Appalachian Mountains." . . "Appalachian Mountains." . . "Geology, Stratigraphic Carboniferous." . . "Geology, Stratigraphic." . . "Manual of coal and its topography : illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America" . "Manual of coal and its topography : Illustrated by original drawings, chiefly of facts in the geology of the Appalachian region of the United States of North America"@en . . . "Manual of coal and its topography illustrated by original drawings, chiefly of facts in the geology of the Appalachian region of the United States of North America" . "Manual of coal and its topography illustrated by original drawings, chiefly of facts in the geology of the Appalachian region of the United States of North America"@en . . . . "Manual of coal and its topography illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America" . "Manual of coal and its topography illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America"@en . . . "Manual of coal and its topography : illustrated by original drawings, chiefly of facts in the geology of the Appalachian region of the United States of North America"@en . . . . . . . "Manual of Coal and its Topography" . . . . . "Manual of coal and its topography Illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America"@en . "Manual of coal and its topography"@en . . . . . . . . . "Manual of coal and its topography. illustrated by original drawings, chiefly of facts in the geology of the Appalachian region of the United States of North America"@en . "Manual of coal and its topography... by J. P. Lesley" . . . . . . . . . . . . . . . . . "Electronic books"@en . . . . . . . . . "Coal and its topography"@en . "Manual of coal and its topography. Illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America"@en . "Manual of coal and its topography. Illustrated by original drawings, chiefly of facts in the geography of the Appalachian region of the United States of North America" . . . . . "Coal." . . "Géologie Appalaches." . . "Carboniferous Geologic Period." . . "From 280 to 345 million years ago" . . "Geology." . . . .