The Bonanza Mill in upper Chase Gulch in Gilpin County, Colorado, has two, tall smokestacks protruding from its roof. Tailings from the mine are in the foreground in front of the mill, located near Blackhawk. Additional mines dot the hills...
The election was held August 19, 1861. Data was taken from Poll Books Volumes 1, 2 and 3. These books area also on microfilm at the Colorado State Archives, 1313 Sherman St. Room 120, Denver, Colorado 80203.