Lesson plan
Sand Patch Grade
) EMD GP40-2 enters the Sand Patch Tunnel eastbound in 1987. Sand Patch Grade is an approximately section of railroad track known for its steep grades and curves through the Allegheny Mountains of Pennsylvania and western Maryland. Dropping over in about and with grades as much as 2%, Sand Patch Grade is one of the steepest railroad grades on the East Coast.
Article summary
) EMD GP40-2 enters the Sand Patch Tunnel eastbound in 1987. Sand Patch Grade is an approximately section of railroad track known for its steep grades and curves through the Allegheny Mountains of Pennsylvania and western Maryland. Dropping over in about and with grades as much as 2%, Sand Patch Grade is one of the steepest railroad grades on the East Coast.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.