DescriptionThis photograph was stamped A. Hunt photograph. A trolley mule and two miners. The mule also has a battery trailer. This allowed the mule to operate where there was no overhead trolley wire. The trolley wire in this image is protected from accidental touching by wooden boards.RightsPublic DomainCollectionReginald O'BrienSubjectMystery PhotosMiningMining SitesMining PersonnelMining Equipment