Missouri topographic maps

The lake was created by the construction of the 2,543-foot (775 m) long Bagnell Dam by the Union Electric Company of St. Louis, Missouri. The principal engineering firm was Stone and Webster. Construction began August 8, 1929, and was completed in April 1931; the lake reached spillway elevation on May 20, 1931.

Average elevation: 265 m

Average elevation: 368 m

Average elevation: 138 m

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Average elevation: 276 m

Average elevation: 330 m

Average elevation: 170 m

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Average elevation: 238 m

Average elevation: 293 m

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Average elevation: 257 m

Average elevation: 96 m

Average elevation: 271 m

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Average elevation: 293 m

Average elevation: 342 m

Average elevation: 201 m

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Average elevation: 374 m

Average elevation: 199 m

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Average elevation: 193 m

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Average elevation: 192 m

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Average elevation: 284 m

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Average elevation: 257 m

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Average elevation: 253 m

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Average elevation: 271 m

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Average elevation: 271 m

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Average elevation: 182 m

Average elevation: 355 m

Average elevation: 321 m

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Average elevation: 431 m

Average elevation: 219 m

Average elevation: 324 m

Average elevation: 333 m

Average elevation: 269 m

Average elevation: 270 m

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Average elevation: 327 m

Average elevation: 237 m

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Average elevation: 247 m

Average elevation: 352 m

Average elevation: 266 m

Average elevation: 351 m

Average elevation: 250 m

Average elevation: 233 m

Average elevation: 345 m

Average elevation: 190 m