2019-12-112022-02-032019-12-112022-02-03https://hdl.handle.net/11124/173773Donor: Colorado Mining Association.View showing Sunnyside mill built into the hillside.Caption reads: "Sunnyside."6 x 3 1/2 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Mineral processing plants -- ColoradoMills and mill-work -- Colorado -- San Juan CountyStillImage