2022-12-082022-12-08https://hdl.handle.net/11124/15592Scale not given.Blueline.Shows cross section of main working shaft and levels, located in Sec. 1, T.3 S., R.73 W., Eureka Mining District or Central City Mining District.On sheet 32 x 23 cmmine mapscross sectionsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Mines and mineral resources -- Colorado -- Gilpin County -- Charts, diagrams, etc.StillImage