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Silos and Smokestacks National Heritage AreaAgricultural landscape in Silos & Smokestacks National Heritage Area
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Silos and Smokestacks National Heritage Area
Plan Your Visit
 

To plan your visit to Silos & Smokestacks National Heritage Area, visit http://www.silosandsmokestacks.org/

The Silos and Smokestacks National Heritage Area is featured in Amana Colonies: A National Register of Historic Places Itinerary. Learn more by visiting http://www.nps.gov/history/nr/travel/amana/.

The Silos and Smokestacks National Heritage Area is featured in Hardin County, Iowa: A National Register of Historic Places Itinerary. Learn more by visiting http://www.nps.gov/history/nr/travel/hardin/.
Obsidian point from the Mound City Group.  

Did You Know?
Obsidian has been found at a few Hopewell earthwork sites. The majority of obsidian, several hundred pounds, was found in one mound at Hopewell Mound Group. Some of the obsidian was from Yellowstone National Park in Wyoming- over 1,500 miles away.

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Last Updated: February 05, 2008 at 10:27 EST