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Main Author:
Hammond, C.S.
Title/Description:
Pennsylvania Postal and Shipping Guide with the 1910 Census
Publication Info:
New York: C.S. Hammond & Co., 1911
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Main Author:
The Geographical Publishing Company
Title/Description:
Pennsylvania
Publication Info:
Chicago: Geographical Publishing Company, 1911
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Main Author:
U.S. Geological Survey
Title/Description:
Geological Map of the Foxburg Quadrangle, Pennsylvania
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1911; Bulletin 454 Plate I
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Main Author:
Campbell, John A.
Title/Description:
Genealogical Map of the Countries of Pennsylvania
Publication Info:
Blueprint reproduction, 1911
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Main Author:
Cram, George F.
Title/Description:
Pennsylvania
Publication Info:
Chicago: George F. Cram, 1911; from Cram's Unrivaled Atlas of the World
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Main Author:
Rand McNally & Co
Title/Description:
Pennsylvania
Publication Info:
Chicago: Rand McNally & Co., 1912; from Rand McNally's Commercial Atlas of America
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Main Author:
Rand McNally and Co.
Title/Description:
Pennsylvania
Publication Info:
Chicago: Rand McNally and Co., 1912; from The Library Atlas of the World
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Main Author:
Rand McNally and Company
Title/Description:
Pennsylvania
Publication Info:
Chicago: Rand McNally and Company, 1912; from The Rand McNally and Company's Imperial Atlas of the World
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Main Author:
U.S. Geological Survey
Title/Description:
Geological Map of the Lehigh District, Pennsylvania - New Jersey
Publication Info:
Washington: Department of the Interior, U.S. Geological Survey, 1912; Bulletin 522 Plate XVII
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Main Author:
Rand McNally & Company
Title/Description:
Pennsylvania
Publication Info:
Chicago: Rand McNally & Co., 1913
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Main Author:
The Century Company
Title/Description:
Pennsylvania, Eastern Part
Publication Info:
New York: The Century Company, 1913; from The Century Atlas of the World
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Main Author:
The Century Company
Title/Description:
Pennsylvania, Western Part
Publication Info:
New York: The Century Company, 1913; from The Century Atlas of the World
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Main Author:
Gardner, James H.
Title/Description:
Geology of the Broad Top Coal Field, Bedford, Fulton and Huntingdon Counties
Publication Info:
[Harrisburg]: Topographic and Geologic Survey of Pennsylvania, 1913
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Main Author:
Ashburner, C.A. and C.E. Billin
Title/Description:
Topographic Map of a Portion of the East Broad Top Coal Fields
Publication Info:
[Harrisburg]: Topographic and Geologic Survey of Pennsylvania, 1913
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Main Author:
Reynolds, Francis J.
Title/Description:
Pennsylvania
Publication Info:
New York: P.F. Collier and Son, 1914; from The New Encyclopedic Atlas and Gazatteer of the World
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Main Author:
Topographic and Geologic Survey of Pennsylvania
Title/Description:
Areal Geology of Southwestern Pennsylvania
Publication Info:
[Harrisburg]: Topographic and Geologic Survey of Pennsylvania, 1914
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Main Author:
Topographic and Geologic Survey of Pennsylvania
Title/Description:
Structural Geology of Southwestern Pennsylvania
Publication Info:
[Harrisburg]: Topographic and Geologic Survey of Pennsylvania, 1914
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Main Author:
Hice, Richard R.
Title/Description:
Oil and Gas Pools of Southwestern Pennsylvania
Publication Info:
[Harrisburg]: Topographic and Geologic Survey of Pennsylvania, c. 1915
