![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. (Maps.) [With Plates and Diagrams.] PDF](https://books.google.com/books/content/images/frontcover/ylpVUBB2Ck0C?fife=w150-h200)
Author: Henry Darwin RogersPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 482
Book Description
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. (Maps.) [With Plates and Diagrams.] PDF Download
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Author: Henry Darwin RogersPublisher:
ISBN:
Category : Coal
Languages : en
Pages : 482
Book Description
![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. (Maps.) [With Plates and Diagrams.] PDF](https://books.google.com/books/content/images/frontcover/ylpVUBB2Ck0C?fife=w80-h100)
Author: Henry Darwin Rogers![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. (Maps.) [With Plates and Diagrams.] PDF](https://books.google.com/books/content/images/frontcover/A2c-0AEACAAJ?fife=w80-h100)
Author: Henry Darwin Rogers
Author: Pennsylvania. Bureau of Topographic and Geologic Survey![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. By H.D. Rogers. [With Plates and Maps.]. PDF](https://books.google.com/books/content/images/frontcover/28YWMwEACAAJ?fife=w80-h100)
Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Author: Geological Survey of Pennsylvania
Author: Geological Survey of Pennsylvania
Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Author: Pennsylvania Bureau of Topographic and
Author: Pennsylvania State Geologist (1836-1841
Author: Geological Survey of Pennsylvania