Title: Report to the canal commissioners, in reply to strictures passed by Mr. Robinson, on the views entertained by Lieut. Col. Long in relation to the manner of crossing the Allegheny Mountain by means of a rail-road, dated March 24th, 1831
First published: 1831
Subjects: Allegheny Portage Railroad, Design and construction, Railroads
Places: Pennsylvania
LC classification: AC901 .P3 vol. 8, no. 2