Marion County地形图

平均海拔：222 米

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Between 2.6 million and 11,700 years ago, the Indianapolis area was situated on the southern margin of the Laurentide Ice Sheet. The erosive advance and retreat of glacial ice produced a flat or gently sloping landscape, known as a till plain. Elevations across Indianapolis vary from about 650 feet (198 m) to…

平均海拔：241 米

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平均海拔：232 米

Indianapolis is located within a physiographic province known as the Tipton Till Plain, a flat, gently rolling terrain underlain by glacial deposits known as till. The lowest point in the city is about 650 feet (198 m) above mean sea level, with the highest natural elevation at about 900 feet (274 m) above sea…

平均海拔：241 米

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平均海拔：229 米

平均海拔：254 米

The city's elevation, measured in feet above sea level, ranges from 766 (the Beech Creek waterway, where it is crossed by South 9th Avenue) to 845 (the northeastern portion of the Amtrak railroad property). It is higher than that of downtown Indianapolis.

平均海拔：247 米