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Location and elevation of bench marks established on lines owned and operated by the Pennsylvania Railroad from levels made under the direction of the chief engineer, and compiled from records on file in his office at Philadelphia, Pa
Historical Society of Pennsylvania - Closed Stacks Vp .5665
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- Format:
- Book
- Author/Creator:
- Pennsylvania Railroad
- Language:
- English
- Subjects (All):
- Bench-marks--Pennsylvania.
- Bench-marks.
- Physical Description:
- 82 p. ; 10 x 21 cm.
- Place of Publication:
- [S.l., 1890]
- Local Notes:
- Mimeographed letter with autograph of Sam'l L. Smedley attatched.
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