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Chesapeake & Ohio Canal National Historical Park Photo of fanlight window at Great Falls Tavern.
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Chesapeake & Ohio Canal National Historical Park
United States in 1821
Map of United States in 1821
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Questions for Map 1

1. In 1821, what were the western states?

2. Given that rivers flow towards the ocean, in which direction do the major rivers east of the Appalachian Mountains flow? What about the rivers west of the Appalachians? Why might this create a problem for cross-country trade?

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Photo Maryland Gold Mine.

Did You Know?
There are several gold mines in the Great Falls area. The largest of these is the Maryland Mine located at the intersection of Falls Road and MacArthur Boulevard near Potomac, Maryland. Gold was first discovered here by a Union soldier from Pennsylvania during the Civil War.
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Last Updated: August 07, 2006 at 10:16 MST