Illinois topographic maps

Average elevation: 149 m

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When Chicago was founded in 1837, most of the early building was around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks. The overall grade of the city's central, built-up areas is relatively consistent with the natural flatness of its overall natural geography,…

Average elevation: 182 m

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Byron is located in Byron Township at the junction of Illinois Route 72 and Illinois Route 2. Byron's topography includes a man-made prairie and the Rock River that passes through the town. It is generally flat and is ideal for farming in most regions. According to the 2010 census, Byron has a total area of…

Average elevation: 226 m

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New Lenox features the Sanctuary Golf Course. Bordering the west end of New Lenox and Joliet is Woodruff Golf Course. Opened in 1926, Woodruff is a course with sweeping elevation changes and small greens.

Average elevation: 209 m

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The village is surrounded on three sides by upper-income communities, with Highland Park on the north, Northbrook on the west, and Winnetka to the south. The Skokie Lagoons are located in the forest preserve to the immediate west of the village. The same forest preserve has a bicycle trail that connects to…

Average elevation: 194 m

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Average elevation: 245 m

Due to local topography, the town has had a tendency to flood in the past after large rainfalls; the city is currently undertaking a large effort to mitigate future flooding.

Average elevation: 210 m

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Average elevation: 188 m

La Grange is located at 41°48′29″N 87°52′24″W / 41.80806°N 87.87333°W / 41.80806; -87.87333 (41.807938, -87.873455), about 13 miles (21 km) west of Chicago. The village is roughly flat, only deviating from the elevation of 645 feet by at most ten feet. La Grange is surrounded by…

Average elevation: 199 m

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Average elevation: 196 m

According to the US Census Bureau, the county has a total area of 826 square miles (2,140 km2), of which 823 square miles (2,130 km2) is land and 2.7 square miles (7.0 km2) (0.3%) is water. It is the 29th largest of Illinois' 102 counties. The area is fairly flat, with elevations ranging from 650 feet above…

Average elevation: 214 m

Average elevation: 219 m

Average elevation: 184 m