Cincinnatus Heine Miller (/ˌsɪnsɪˈneɪtəs ˈhaɪnə/; September 8, 1837 – February 17, 1913), better known by his pen name Joaquin Miller (/ˌhwɑːˈkiːn/), was an American poet and frontiersman. He is nicknamed the "Poet of the Sierras" after the Sierra Nevada, about which he wrote in his Songs of the Sierras (1871).
Read about Joaquin Miller in Wikipedia