2017-08-112022-02-032017-08-112022-02-031900https://hdl.handle.net/11124/171372Scale 1:480. 40 feet = 1 inch.Color, mounted on cloth.Shows claims and mine workings in Pioneer mining district.Updated in pencil.Covers parts of Dolores County, Colorado. Covers parts of the Rico quadrangle, Colorado. Commodities mined: silver.97 x 144 cmmanuscript mapsmine mapsengMines and mineral resources -- Colorado -- Dolores County -- MapsMining claims -- Colorado -- Dolores County -- MapsStillImage