ISBN-13: 9781484823729 / Angielski / Miękka / 2013 / 104 str.
ISBN-13: 9781484823729 / Angielski / Miękka / 2013 / 104 str.
A historic overview of flotation mills in the United States and the two fully intact flotation mills left in the U.S., the Shenandoah-Dives Mill in Silverton, Colorado and the Ely Valley Pioche Mill in Pioche, Nevada.