Volume 1: systematic geology 803 pages with plates very fine condition, original binding. published in 1878. Volume 2: descriptive geology 890 pages with plates very good condition, original binding. published in 1877Volume 3: mining industry 645 pick 47 pages correction 647 pages, new spine with original endpaper, original boards. With bookplate of the University library Liverpool. published in 1870 . Volume 3 was considered a breakthrough volume in the science of geology. It contains incredible plates related to the Comstock as well as gold mining in Colorado and of other places in Nevada it is of critical importance in the study of historical geology of Western or deposits. To find three volumes together like this is exceptionally rare. The volumes are internally inscribed Hugh Fitzhugh.