Cowboys on both sides of the Anderson Ditch, with the cemetery in the background (neg. #612)(S-880) Views of Columbia Cemetery, also known as Pioneer Cemetery and Park Cemetery, showing cowboys herding cattle. 1880-1899.  Photo Courtesy of Carnegie Branch Library for Local History, Boulder Historical Society Collection.

2008 photo by Randy Zahn. 1800s: Local call number at Carnegie Branch Library for Local History: BHS 207-18-48 PHOTO.