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| | Iowa |
 | | The Farm Crisis of the 1980's saw a major decline of family farms in Iowa and around the Midwest, and it was marked by a sharp drop in the state's rural population. |
 | | In the northeast along the Mississippi River is a section of the Driftless Zone, which in Iowa consists of low rugged hills covered with conifers—a landscape not usually associated with this state. |
 | | As of 2005, Iowa has an estimated population of 2,966,334, which is an increase of 13,430, or 0.5%, from the prior year and an increase of 39,952, or 1.4%, since the year 2000. |
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