pt. II., cont'd. book VIII. Eighth Palaeozoic district, or anthracite coal-basins, and encircling belts of the older Carboniferous rocks. book IX. Ninth Palaeozoic district, or bituminous coal-fields and their associated older Carboniferous strata. pt. III. Mesozoic red sandstone series. pt. IV. Igneous rocks and minerals, veins and ores

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The Geology of Pennsylvania: pt. II., cont'd. book VIII. Eighth Palaeozoic district, or anthracite coal-basins, and encircling belts of the older Carboniferous rocks. book IX. Ninth Palaeozoic district, or bituminous coal-fields and their associated older Carboniferous strata. pt. III. Mesozoic red sandstone series. pt. IV. Igneous rocks and minerals, veins and ores

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pt. II., cont'd. book VIII. Eighth Palaeozoic district, or anthracite coal-basins, and encircling belts of the older Carboniferous rocks. book IX. Ninth Palaeozoic district, or bituminous coal-fields and their associated older Carboniferous strata. pt. III. Mesozoic red sandstone series. pt. IV. Igneous rocks and minerals, veins and ores

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Catalog of Government Publications in the Research Libraries

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Dictionary Catalog of the Research Libraries of the New York Public Library, 1911-1971

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Research Catalog of the Library of the American Museum of Natural History

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Catalog of Books and Reports in the Bureau of Mines Technical Library, Pittsburgh, Pa

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The Library of Congress Author Catalog

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Research Catalog of the Library of the American Museum of Natural History: 55.08-55.3

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The Occurrence of Ground Water in the United States with a Discussion of Principles

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