Illinois topographic maps

Average elevation: 209 m

Average elevation: 146 m

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Average elevation: 194 m

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Average elevation: 134 m

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Average elevation: 206 m

Average elevation: 167 m

Macon County is primarily flat, as is most of the state and all of the surrounding counties, the result of geological activity during the Pleistocene epoch. During the Illinoian Stage of the Pleistocene, the Laurentide Ice Sheet covered about 85 percent of Illinois, including the Macon County area. The…

Average elevation: 203 m

Average elevation: 189 m

Average elevation: 184 m

Average elevation: 149 m

Average elevation: 146 m

Average elevation: 134 m

Average elevation: 134 m

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Average elevation: 120 m

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Average elevation: 197 m

Average elevation: 172 m

Like the rest of Jo Daviess County, the city is topographically a part of the Driftless Area.

Average elevation: 207 m

Average elevation: 184 m

Average elevation: 176 m

Because most of the city is well above flood level, Nauvoo has not historically had problems when the Mississippi river has risen. In both the floods of 1993 and 2008, very little damage was sustained within city limits. Topography maps show a unique feature of Nauvoo with main street starting at the edge of…

Average elevation: 178 m

Average elevation: 150 m

Average elevation: 196 m

Average elevation: 227 m

Average elevation: 206 m

Average elevation: 160 m

Average elevation: 159 m

Average elevation: 182 m

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Average elevation: 184 m

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Average elevation: 191 m

Average elevation: 234 m

Average elevation: 176 m

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Average elevation: 149 m

Average elevation: 164 m

Average elevation: 194 m

Average elevation: 129 m

Average elevation: 164 m

Average elevation: 191 m

Average elevation: 190 m

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Average elevation: 130 m

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Average elevation: 211 m

Average elevation: 141 m

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Average elevation: 155 m

Average elevation: 250 m

Average elevation: 142 m

Average elevation: 213 m

Average elevation: 231 m

Average elevation: 132 m

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Average elevation: 188 m

Average elevation: 211 m

Average elevation: 207 m

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Average elevation: 277 m

Average elevation: 216 m

Average elevation: 162 m

Average elevation: 204 m

Average elevation: 194 m

Average elevation: 291 m

Average elevation: 251 m

Average elevation: 213 m

Average elevation: 250 m

Average elevation: 141 m

Average elevation: 296 m

Average elevation: 116 m

Average elevation: 200 m

Average elevation: 207 m

Average elevation: 195 m

Average elevation: 227 m

Average elevation: 271 m

Average elevation: 182 m

The area of West Frankfort formerly known as Frankfort is still sometimes referred to locally as Frankfort Heights or, more commonly, simply as "The Heights", due to its higher elevation relative to the rest of the city. A post office was maintained in Frankfort Heights until its destruction by fire in 2004,…

Average elevation: 122 m

Average elevation: 260 m

Average elevation: 239 m

Average elevation: 204 m

Average elevation: 262 m

Average elevation: 172 m

Average elevation: 267 m

Average elevation: 210 m

Average elevation: 137 m

Average elevation: 147 m

Average elevation: 209 m