Philadelphia folio : Norristown, Germantown, Chester, and Philadelphia quadrangles, Pennsylvania-New Jersey-Delaware

Bibliographic Information

Philadelphia folio : Norristown, Germantown, Chester, and Philadelphia quadrangles, Pennsylvania-New Jersey-Delaware

[by F. Bascom ... [et al.]]

(Geologic atlas of the United States, no. 162)

U.S. Geological Survey, 1909

Cartographic Material(Map)

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Philadelphia folio, Pennsylvania, New Jersey, Delaware

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Note

MAP:Scale 1:62,50 (W 75[0]--W 75[0]30'/N 40[0]--N 40[0]15'

Title from cover

At head of title: Department of the Interiour, United States Geological Survey, George Otis Smith, director

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