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Showing 401 - 425 of 568 Records

"A Map of Rail Way to Avoid the Columbia Inclined Plane," by J. Scott, Assist Engineer. John P. Baily, Feb. 16th. 1837, Engineer. (4 sections)

"Walnut-Creek Aqueduct, n.d." (three arches of the same construction at Elk Creek). (2 sections)

Fol. VII [Trout Run, Chapmans to Eaton's], n.d. (2 sections)

Fol. VI [Elk Creek and Hall's Run], n.d. (2 sections)

Allotment of Bridges on the North Branch division Pennsylvania Canal, July 12th. 1839, For the approvel of the Canal Commissioners. 1 section

"The Proposed Aqueduct at Duncans Island, Number 1," n.d. Shows: Elevation, Ground Plan, Cross Section. (6 sections)

"Proposed Aqueduct at Duncans Island, Number 2," n.d. Shows: Elevation, Ground Plan, Cross Section. (3 sections)

[Drawings of Aqueduct, unfinished], n.d. (4 sections)

"Profile of the Harrisburg and Pittsburg Rail Road. Conemaugh Route as Surveyed under the Direction of Charles L. Schlatter." S. Moylan Fox, Principle Assistant, 1840. Shows: Portage Rail Road. (16 sections)

"Map and Profile of a Route for a Canal From the Pennsylvania Canal to New Berlin in Union County. Also, of a Route for a Rail-Road between the same Points," n.d. J. D. Harris, Engr. Drawn by J. Paxton. (4 sections)

"Profiles." Profiles of the summits of Eastern and Western Routes. Lockage of Eastern and Western Routes. Drawn by Edward Theirry, Eng: & Draftsman. Novbr. 1836. (4 sections)

[Iron, Railroad, Canal & Coal Map of Pennsylvania with parts of Maryland, New York, New Jersey, Ohio, Virginia & West Virginia], n.d. (2 sections)

[Fifteen drawings with profiles and estimates for sections of the West Branch Division], n.d.

[Sections No. 5, No. 6, Aqueduct Section, No. 1, No. 7 (part)], n.d. No. 2. Exhibited at the letting at Williamsport 29 June 1831-24 Aug. 1831. (1 section)

[Bridge span, unfinished, unidentified], n.d. (1 section)

[A pencil drawn field map (unidentified), probably belonging to Middle Route drawings for the proposed Harrisburg and Pittsburg Rail Road, 1838-41]. (4 sections)

"Northern Route From Emigh's Gap Westwardly, No. 4," n.d. (3 sections)

"Map of the Delaware Division of the pennsylvania Canal, Length from Bristol to Easton, 59 Miles & 60 Perches. Whole amount of Lockage, 165.05 feet," n.d., A. W. Kennedy, Draftsman. (1 section)

"Plan for Improvements Around Columbia Basin, Reported by E. F. Gay and A.B. Warford, Engineers in pursuance of a resolution of the Canal Commissioners, dated March 15, 1833...," A.B. Warford, Engineer. (1 section)

"Maps of part of the North Branch Division," n.d. (1 vol., 13 x 9)

"Meadville & Erie Route," n.d.

Chester County, Miscellaneous Towns and Places, Parker Ford, Pa., Lock 56 P. & R. Canal, 0079B

Berks County, Miscellaneous Towns and Places, Tuckerton, Pa., Canal at Tuckerton above Reading, 0062B

Bucks County, New Hope, Pa., Boat on Canal, 0080B

Indiana County, Saltsburg, Pa., Pennsylvania Canal 1828-1864, 0367A