Jefferson County topographic maps

Average elevation: 174 m

Average elevation: 185 m

Average elevation: 146 m

Average elevation: 192 m

Average elevation: 188 m

Average elevation: 165 m

Average elevation: 146 m

Average elevation: 151 m

Average elevation: 252 m

Average elevation: 232 m

Average elevation: 189 m

Average elevation: 152 m

Average elevation: 148 m

Average elevation: 188 m

Average elevation: 156 m

Average elevation: 191 m

Average elevation: 225 m

The Big River is a tributary of the Meramec River in east-central Missouri. The river rises in western Iron County near the summit of Johnson Mountain just north of Missouri Route 32 and approximately 3.5 miles southeast of the community of Enough. It flows through Washington, Saint Francois, and Jefferson…

Average elevation: 220 m

Average elevation: 224 m

Average elevation: 185 m

Average elevation: 143 m

Average elevation: 230 m

Average elevation: 169 m

Average elevation: 237 m

Average elevation: 171 m

Average elevation: 196 m