A cikin shekara ta 1858, Green Russell da wani rukuni na Georgians, da suka ji labarin zinariya a kudancin Platte daga Cherokee bayan sun dawo daga California, suka fara haƙa yankin da suka bayyana. A wannan lokacin rani sun kafa sansanin ma'adinai Auraria (wanda aka kira shi don sansanin ma'adinai na zinariya a Georgia) a mahaɗin kudancin Platte da Cherry Creek. 'Yan Georgia sun bar jiharsu a cikin hunturu mai zuwa. A Fort Bent a bakin Kogin Arkansas, Russell ya gaya wa William Larimer, Jr., wani mai ba da labari na Kansas, game da zinariya da suka samo. Larimer, ya fahimci damar da za su yi amfani da shi, ya gaggauta zuwa Auraria. A watan Nuwamba 1858, ya yi ikirarin cewa ya girmama wani yanki a fadin Cherry Creek daga Auraria kuma ya kira shi "Denver City" a Denver.
tare da Kogin Arkansas