Geologic atlas of U.S. [electronic resource] : Philadelphia folio (Norristown, Germantown, Chester, and Philadelphia quadrangles), Pennsylvania-New Jersey-Delaware.
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Online Access: |
Full Text (via ProQuest) |
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Other Authors: | , , , , , , |
Format: | Government Document Electronic eBook |
Language: | English |
Published: |
Washington, D.C. :
[s.n.],
1909.
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Series: | Geologic Atlas of U.S. Folio No. 162.
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Subjects: |
Item Description: | Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC. With data on general stratigraphy; and chemical analysis of selected minerals including iron ore. |
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Physical Description: | 38 ov., digital, PDF file. |