2022-12-082022-12-08https://hdl.handle.net/11124/15578Scale not given.Blackline.Manuscript.Reverse blackline print.On sheet 37 x 29 cmmine mapsmanuscript mapsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Mining claims -- Colorado -- Gilpin County -- MapsMines and mineral resources -- Colorado -- Gilpin County -- MapsStillImage