Gold Mine at Cornucopia, c. 1888 Oregon History Project
Gold Mine at Cornucopia, c. 1888. Like many gold mining operations, the activity fluctuated widely, influenced by the quality of the ore, operating costs, the national economy, and gold prices. Cornucopias most prosperous years came long after the initial discoveries, during the 1920s and 1930s. The post office closed in 1942 after mining ceased.