a river flowing E from E Colorado to the Republican River in central Kansas. 540 miles (870 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for smoky hill
Historical Examples of smoky hill
The alternative that suggested itself was that the thief had gone another road, towards the Smoky-Hill route.Three Years on the Plains
Edmund B. Tuttle