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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.
Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. According to the United States Census Bureau, the state's estimated population as of 2024 is 7.22 million. [13] Tennessee is geographically, culturally, and legally divided into three Grand Divisions of East, Middle, and West Tennessee.
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.
This is a list of all tripoints in which the boundaries of three (and only three) U.S. states converge at a single geographic point. Of the 60 such points, 36 are on dry land and 24 are in water. [1]
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.
The location of the state of Tennessee in the United States of America. The following outline is provided as an overview of and topical guide to Tennessee: Tennessee – U.S. state located in the Southeastern United States. Tennessee is the 36th most extensive and the 16th most populous of the 50 United States. Tennessee was admitted to the ...