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The geography of Iowa includes the study of bedrock, landforms, rivers, geology, paleontology and urbanisation of the U.S. state of Iowa. The state covers an area of 56,272.81 sq mi (145,746 km 2 ). Bedrock features
Iowa (/ ˈ aɪ. ə w ə / ⓘ EYE-ə-wə) [6] [7] [8] is a state in the upper Midwestern region of the United States.It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Illinois to the east and southeast, Missouri to the south, Nebraska to the west, South Dakota to the northwest, and Minnesota to the north.
A map of Köppen climate types in Tennessee. Most of the state has a humid subtropical climate, with the exception of some of the higher elevations in the Appalachians, which are classified as having a mountain temperate or humid continental climate due to cooler temperatures. [56]
U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. [1] [2] The Census Bureau region definition is "widely used ... for data collection and analysis", [3] and is the most commonly used classification system.
Tennessee is home to the first nuclear power reactor in the U.S. to begin operation in the 21st century, which is at the Watts Bar Nuclear Plant in Rhea County. [326] Tennessee was also an early leader in hydroelectric power, [327] and today is the third-largest hydroelectric power-producing state east of the Rocky Mountains. [328]
From 1922 to 1978, it was also used on Iowa license plates [9] until it was replaced by the full county name. Finally, the number in the column headed "Map #" is used by the National Atlas of the United States, shown on the left; for purposes of the National Atlas, counties are numbered in geographical order beginning in the NW corner of the map.
العربية; Aragonés; تۆرکجه; বাংলা; Беларуская; Български; Bosanski; Čeština; Cymraeg; Dansk; Deutsch; Eesti; Español; Euskara
There is a dearth of natural areas in Iowa; less than 1% of the tallgrass prairie that once covered most of Iowa remain intact, only about 5% of the state's prairie pothole wetlands remain, and most of the original forest has been lost. [6] Iowa ranks 49th of U.S. states in public land holdings. [7]