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Showing 326 - 350 of 450 Records

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.

"Level of Proposed Tunnel at Sugar Run Gap, 160 Ft. below Portage Summit," n.d. [Harrisburg & Pittsburgh Rail Road]. Profile of the Great Line of the Allegheny Mountains from Cedar Swamp Gap to the Three Springs Gap, a distance of 44 miles, collected from different surveys. (3 sections)

"Map and Profile of the Proposed Rail Road from Laughlinstown to Pittsburg," n.d. Charles DeHass, P. Engineer. (4 sections)

Maps and Profiles of the West Branch of the Susquehanna and tributaries, Lower Division. (29 sections)

"Towing Path Bridge at Harvey's Creek," N.F.J. May 22, 1841. (2 section)

[Plan of Lock?], n.d. (3 sections)

"Lock Plan No. 3. Showing the Sills of the Frame and Surface of the Floor," n.d. (2 sections)

"No. 2. Plan of Sluice or Feeder," n.d. (2 sections)

[Ink and pencil drawing of a Turnpike Road passing Revd. Scraggs], n.d. (3 section)