 | John Tulloch - 1877 - 368 páginas
...Philosophical Institution. In crown 8vo, 3s. 6d. HENRY DARWIN ROGERS, FRS, FOS The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. With Seven large Maps, and numerous Illustrations engraved... | |
 | John Tulloch - 1877 - 390 páginas
...Philosophical Institution. In crown 8vo, Ss. 6d. HENRY DARWIN ROGERS, FR8., FGS The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America nnd Great Britain. With Seven largeMaps, and numerous Illustrations engraved... | |
 | Henry Alleyne Nicholson - 1878 - 848 páginas
...Illustrations, drawn and engraved by Eskimo. Crown 8vo, IOB. 6d. ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. By Professor HENRY DARWIN RIMERS, F.RS., FGS, Professor... | |
 | William George Hamley - 1878 - 290 páginas
...Illustrations, drawn and engraved by Eskimo. Crown 8vo, 10s. 6d. » ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. By Professor HENRY DARWIN ROGERS, FR8., FG8., Professor... | |
 | William Hewson - 1878 - 204 páginas
...of Pennsylvania. S Vots. 4to, with Portfolio of Maps. Cloth. $80.00. THE OKOI.OOY OF PENNSYLVANIA. A Government Survey. With a general view of the Geology...of the United States, Essays on the Coal Formation iiinl its Fossils, and a description of the Coal Fields of North America and Great Britain. By HEXRY... | |
 | Robert Flint - 1879 - 600 páginas
...and University Local Examinations. Fcap. 8vo. [In the press, ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Cool-Fields of North America and Qreat Britain. By Professor HENRV DARWIN ROGERS, FR8., FG8., Professor... | |
 | Beatrice May Butt - 1879 - 384 páginas
...and University Local Examinations. Fcap. 8vo. [In the press. ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. By Professor HENRY DARWIN ROGERS, FRS, FG8., Professor... | |
 | Richard Taylor - 1879 - 416 páginas
...and University Lucal Examinations. Fcap. 8vo. [In the press. ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. By Professor HENRY DARWIN ROGERS, FRS, FG8., Professor... | |
 | Julian Russell Sturgis - 1879 - 372 páginas
...and University Local Examinations. Fcap. 8vo. [In the press. ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...Formation and its Fossils, and a Description of the Coal-Fielda of North America and Great Britain. By Professor HENRY DARWIN ROGERS, FRS, FG8., Professor... | |
 | Robert Flint - 1879 - 600 páginas
...and University Local Examinations. Fcap. 8vo. [In D1e press. ROGERS. The Geology of Pennsylvania : A Government Survey ; with a General View of the Geology...the United States. Essays on the Coal Formation and iU Fossils, and a Description of the Coal-Fields of North America and Great Britain. By Professor HENRY... | |
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THE GEOLOGY OF PENNSYLVANIA: A Government Survey ; with a General View of the Geology of the United States, Essays on the Coal- Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain. 
