Report of J. Ross Browne on the Mineral Resources of the States and Territories West of the Rocky Mountains

amount appears average California cañon carried cent channel City claim coal coast Columbia considerable contains copper cost covered creek deep deposits depth distance district ditch east eastern eight employed erected estimated expenses fall feet long feet wide five Flat four gold gravel ground half Hill important inches increase iron known labor lake land lead length less located lode metal miles mill miners mines months mountains nearly Nevada obtained opened operations Pacific paid pass places population portion pounds present probably production profit quantity quartz range reached region rich river road rock salt San Francisco shaft side Sierra silver situated slate springs stamps streams supply surface taken Territory thick timber tons town tunnel valley vein wall washed whole width yield