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Showing 126 - 150 of 456 Records

"Plan of Lock of 8 feet lift," n.d. (2 sections)

[Drawings for P. Ditches Nos. 1-4, Slate & Gravel Ditch 16 ft. wide on Susquehanna Division], n.d. (2 sections)

[Line of the Gettysburg Extension of the Pennsylvania Railroad], n.d. (2 sections)

[Profiles, New Allegheny Portage Rail Road], n.d. 18 sections

"Plan of work on the Eastern Division, Foster Supervisor," n.d. (3 sections)

"Plan of the Canal through the city of Pittsburgh with the Streets adjoining," n.d. (1 section)

"Map of the Canal Route Between Pittsburg and Conneaut Lake, A.D. 1827." Charles T. Whippo, Civil Engr. [Matthew Stealey, Draftsman].

"Plan and Profile of the Sunbury Canal and Hater Power," n.d, (1 section)

[Columbia & Philadelphia Rail Road, 1831. Report of Maj. Jno. Wilson, Prin. Engineer, 1831, stating cost of work done and an estimate of unfinished work and whole length of the Line, Nov. 25, 1831].

"Report of the Acting Commissioner on the Eastern Division of the Pennsylvania Canal to the Board of Canal Commissioners, dated July 25, 1826."

"Damages awarded by direction of the Court of Union County, May 4-12, 15 1829."

[Letter, John Barker, Supt. Col. & Phila. R.R. to Canal Commissioners re two contracts for rails to be purchased in England, Aug. 31, 1831].

[Letter, Jacob Grosh to Canal Commissioners, re bridges across the canal within the limits of Marietta, Jan. 30, 1832].

[Contract for Out Let Locks on Eastern Division at Columbia], n.d. Signatures only.

"A Sketch of the rout[e], for the Great Canal" by John Taylor from the south branch of Toby's Creek to the West Branch of the Susquehanna and to the Conemaugh, n.d.

"Article of Agreement, March 4, 1837" [for construction of Bridge at Duncan's Island].

"Profile of Waste at Eastern Reservoir," n.d.

[Specifications and Contract for repairs on the Bald Eagle Dam, W.B. Division, Killian Epley & Co., Aug. 25, 1839].

[Contract for Farm Bridge at Church Street in Lock Haven on Bald Eagle Side Cut, July 1, 1840].

"Field Map. Harrisburg & Pittsburg R. R. Southern Route from Pittsburg to Laughlinstown No. 1." From Station No. 19 to Station No. 122. (10 sections)

Map Book 1 Index

[Columbia Wrightsville Bridge and River] showing "Proposed Route of Railway. Designed by C. Kirk and Surveyed October A.D. 1830..." (2 sections)

"New Depot and Tracks at Columbia," n.d. (1 section)

Fol. V [From M. Jackson's to Head of Crooked Creek], n.d. (2 sections)

"Lock of 8 Feet Lift," n.d. Shows: Elevation, Ground Plan. (4 sections)