4 C Mine - Colorado - 1ef7a873e0b4c48ab96f9f350dd2a6f9
Zusammenfassung
Exterior view of the portal of the 4 C Mine in Colorado.
Tags
Datum
1900 - 1928
Quelle
University of Colorado Boulder Libraries
Copyright-info
Public Domain
Zusammenfassung
Exterior view of the portal of the 4 C Mine in Colorado.
Tags
Datum
Quelle
Copyright-info