Rock Island Lake topographic map

Average elevation: 288 m

Average elevation: 439 m

Average elevation: 298 m

Average elevation: 410 m

Average elevation: 361 m

Average elevation: 314 m

Average elevation: 202 m

Average elevation: 316 m

Average elevation: 414 m

Average elevation: 203 m

Average elevation: 228 m

Average elevation: 317 m

Average elevation: 282 m

Average elevation: 248 m

Average elevation: 371 m

Average elevation: 217 m

Average elevation: 299 m

Average elevation: 467 m

Average elevation: 246 m

Average elevation: 225 m

Average elevation: 259 m

Average elevation: 238 m

Average elevation: 459 m

Average elevation: 294 m

Average elevation: 410 m

Average elevation: 291 m

Average elevation: 342 m

Average elevation: 209 m

Average elevation: 421 m

Average elevation: 236 m

Average elevation: 335 m

Average elevation: 459 m

Average elevation: 442 m

Average elevation: 389 m

Average elevation: 339 m

Average elevation: 264 m

Average elevation: 440 m

Average elevation: 197 m

Average elevation: 416 m

Average elevation: 239 m

Average elevation: 209 m

Average elevation: 459 m

Average elevation: 259 m

Average elevation: 355 m

Average elevation: 238 m

Average elevation: 209 m