Fischer, Emil B.2017-01-122022-02-032017-01-122022-02-031891https://hdl.handle.net/11124/170620Scale 1:63,360. 1 inch to 1 mile.Color.Relief shown by hachures and spot heights.Shows mines, towns, roads, railroads, geographic features. Inset maps: plat of Newman Hill at Rico; plat of Red Mountain mines; and plat of mines at Silver Lake Arastra Basin. Includes index of mining districts by county.80 x 90 cmmine mapsengMines and mineral resources -- San Juan Mountains (Colo. and N.M.) -- MapsMining districts -- San Juan Mountains (Colo. and N.M.) -- MapsSan Juan Mountains (Colo. and N.M.) -- MapsStillImage