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No Strings Attached
- Subject:
- Humanities, Social Sciences
- Institution Name:
- Teaching with Historic Places (TwHP)
- Collection:
-
National Park Service
- Grade Level:
- Primary, Secondary
- Abstract:
shows the innovative transportation system used in the 1820s-1840s to tow railroad cars up and down the steep slopes of the Allegheny Mountains.
- Course Type:
- Learning Module
- Languages:
- English
- Material Type:
- Lesson Plans
- Media Format:
- Graphics/Photos, Text/HTML
- Conditions of Use:
-
Public Domain
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their individual restrictions.
Allegheny Portage Railroad: Developing Transportation Technology
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