 Dalton Gardens, Hayden, and Hayden Lake were also settled around this time.After almost 17 years of existence, Kootenai County finally organized on July 9, 1881.The county's importance grew as a result of completion of the Northern Pacific Railway in 1882 to Rathdrum as well as discovery of gold on the Coeur d'Alene River in neighboring Shoshone County in 1883.