ISBN: 9780919531406 - methods of placer mining (5 risultati)

Soft cover. Condizione: Fine. No Jacket. Science. This book is clean and bright, straight and tight with a name on inside of front cover but no marks on inside pages. This book explains the various methods used to recover gold from winnowing, one of the crudest methods, to the modern sluice, dredge and spiral gold panner. It also contains maps of gold producing regions of the west and drawings of various equipment in addition to both historic and modern photographs. Proceeds from the sale of this book benefit environmental restoration and education.…

Condizione: very_good. Book is in very good condition and may include minimal underlining highlighting. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Condizione: very_good. Fast Free Shipping â" Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid, nice copy to enjoy.

Paperback. Condizione: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Condizione: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.