This chapter contains sections titled:
Introduction
Stop 45. Bradford, Pennsylvania
Stop 46. Allegheny Front, Us 322 East Of Phillipsburg, Pennsylvania
Stop 47. Horseshoe Curve, Altoona, Pennsylvania
Stop 48. Allegheny Portage Railroad National Historic Site, Cresson, Pennsylvania
Stop 49. Johnstown Flood National Memorial, Saint Michael, Pennsylvania
Stop So. Yellow Creek Stratigraphic Section, Belween Loysburg And Hopewell, Pennsylvania
Stop 51. Canal Museum, Chesapeake And Ohio Canal National Historic Park, Hancock, Maryland
Acknowledgments
Pennsylvania
01.01.1989
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Pennsylvania. Pennsylvania improves efficiency
Engineering Index Backfile | 1928
Engineering Index Backfile | 1910
Engineering Index Backfile | 1929
Engineering Index Backfile | 1939
|Engineering Index Backfile | 1929