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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 --
Historical Society of Pennsylvania - Closed Stacks Vp .5664
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- Format:
- Book
- Author/Creator:
- Pennsylvania Railroad
- Language:
- English
- Subjects (All):
- Bench-marks--United States.
- Bench-marks.
- Physical Description:
- 150 p. ; 10 x 17 cm.
- Place of Publication:
- [S.l.], 1906.
- Local Notes:
- Inscription of Joseph T. Richards.
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