Mineral industries

Entrance of the Saratoga Mine in Gilpin County, Colorado. This mine was owned and operated by the Saratoga Mines Company.

Entrance to an unidentified mine shaft. The mine was owned by Phillip Ragooland and was located in Gilpin County, Colorado.

A group of unidentified men pose for a photograph next to an automobile at the Saratoga Mine in Gilpin County, Colorado. These men may have been employees of the Saratoga Mines Company.

Group of miners outside the Penrose Mine. Back Row: unidentified, Bert Hawkins, Claude Simmons, Charles Hawkins, Charles Cose, Charles Peterson (blacksmith), unidentified., Front Row: Maurice Miller (supplied gear to the miners), Billy Angees, unidentified, Connie McGrehan, Charles Withey, Ben Gray, Sam Simmons (fireman), unidentified, Big Smith (master mechanic)., Sam Looney could be one of the missing.

Composite of the Elias Cohen family of Aspen including a formal portrait of Elias Cohen (bottom left); a formal portrait of his wife and two daughters (bottom right); and formal portraits of his in-laws, Mr. and Mrs. Charles Weinberg (top). Elias Cohen was a resident of Aspen by 1891, a mine supervisor in, and manager of David Hyman's properties. It was Cohen who suggested the use of deep-sea divers to repair broken mine-pump shafts.

Three unidentified miners pose at the Saltiel Mine's ore house in Cotopaxi, Colorado.

Philip J. Ragooland poses with Governor Oliver Shoup in front of an unidentified building.

Philip J. Ragooland poses with Governor Shoup in front of an unidentified building.

Philip J. Ragooland and two unidentified men next to the Saratoga Mine. The mine was owned by Philip J. Ragooland and was located in Gilpin County, Colorado.

Philip J. Ragooland poses with mining equipment at an unidentified mine in Colorado in which he had an interest.