2023-03-162023-03-161900?-1985https://hdl.handle.net/11124/16741Scale approximately 1:2,769.Pencil.Shows mining claims in Iron Springs mining district, including Nunn mine.18 x 37 cmmine mapsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Mines and mineral resources -- Colorado -- San Miguel County -- MapsMining claims -- Colorado -- San Miguel County -- MapsIron Springs Mining District (Colo.)StillImage