Electrical workers at the Primero Mine, undated View Larger Image Electrical workers at the Primero Mine, undated Location and reference of original document: Steelworks Center of the West, Pueblo, cfi_min_pri_0001 Source URL: View Resource Topicscoal mines and minersFrom the CollectionTrinidad & Las Animas County LHP_Intern2019-10-11T04:17:31+00:00
