Sanderson, H. S.2017-09-202022-02-032017-09-202022-02-03https://hdl.handle.net/11124/171635Mine report no. 242.Typescript (carbon copy).Covers the following mining districts in Colorado: Idaho Mining District, Jackson Mining District, Payne's Bar Mining District, Spanish Bar Mining District, Virginia Mining District, Yankee Hill Mining District, Russell Mining District, Ward Mining District, Sugarloaf Mining District, Animas Mining District, Eureka Mining District.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Clear Creek CountyMines and mineral resources -- Colorado -- Gilpin CountyMines and mineral resources -- Colorado -- Boulder CountyMines and mineral resources -- Colorado -- San Juan CountyMining claims -- Colorado -- Clear Creek CountyMining claims -- Colorado -- Gilpin CountyMining claims -- Colorado -- Boulder CountyMining claims -- Colorado -- San Juan CountyText