alabama alaska american civil war anglogold ashanti argonaut mine arizona atlantic cable quartz lode australia battle branch mine bingham canyon mine black hills gold rush bureau of land management calhoun mine california california gold rush colorado river consolidated mine copper crisson mine fairbanks mining district free jim mine georgia gold belt georgia gold rush getchell mine gold in california gold mining in alaska gold mining in colorado gold mining in nevada greenstone heap leaching holocene hydraulic mining idaho illinois juneau mining district kenai river kennedy mine klamath mountains loud mine maryland montana nevada north carolina oregon oregon trail peridotite phyllite quartz quaternary reed gold mine russia schist sixes mine slate south africa south dakota stillwater igneous complex superfund tertiary united states utah vulture mine war production board willamette valley world war ii