2017-08-112022-02-032017-08-112022-02-031900-1999https://hdl.handle.net/11124/171379Scale approximately 1:3,500.Manuscript set of 3 sheets (each 51 x 91 cm): Sheets 1 and 2 pen-and-ink; sheet 3 negative photocopy of sheet 2.Sheets 2 and 3 are French versions of Sheet 1.Relief shown by hachures.Shows shafts, quarries, bodies of water, ranges and townships.Covers parts of Costilla County, Colorado. Covers parts of the Ojito Peak and Taylor Ranch quadrangles, Colorado.51 x 91 cmmanuscript mapsmine mapsengMines and mineral resources -- Colorado -- Costilla County -- MapsStillImage