Sex dating in shell rock iowa

The explosion in the number of high-density livestock facilities in Iowa has led to increased rural water contamination and a decline in air quality. Threatened or endangered animals in Iowa include the Interior Least Tern, Piping Plover, Indiana Bat, Pallid Sturgeon, the Iowa Pleistocene Land Snail, Higgins' Eye Pearly Mussel, and the Topeka Shiner.Other factors negatively affecting Iowa's environment include the extensive use of older coal-fired power plants, fertilizer and pesticide runoff from crop production, and diminishment of the Jordan Aquifer. Endangered or threatened plants include Western Prairie Fringed Orchid, Eastern Prairie Fringed Orchid, Mead's Milkweed, Prairie Bush Clover, and Northern Wild Monkshood.Average winters in the state have been known to drop well below freezing, even dropping below −18 °F (−28 °C).

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In Des Moines, roughly in the center of the state, over two-thirds of the 34.72 inches (88.2 cm) of rain falls from April through September, and about half of the average annual precipitation falls from May through August.

When American Indians first arrived in what is now Iowa more than 13,000 years ago, they were hunters and gatherers living in a Pleistocene glacial landscape.

The southern border is the Des Moines River and a not-quite-straight line along approximately 40 degrees 35 minutes north, as decided by the U. Iowa is the only state whose east and west borders are formed entirely by rivers.

Iowa has 99 counties, but 100 county seats because Lee County has two.

Several natural lakes exist, most notably Spirit Lake, West Okoboji Lake, and East Okoboji Lake in northwest Iowa (see Iowa Great Lakes). Man-made lakes include Lake Odessa, Saylorville Lake, Lake Red Rock, Coralville Lake, Lake Mac Bride, and Rathbun Lake.

The northwest part of the state contains a considerable number of remnants of the once common wetlands, such as Barringer Slough.

The state capital, Des Moines, is located in Polk County.

Iowa's bedrock geology generally increases in age from west to east.

Iowa averages about 50 days of thunderstorm activity per year.

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