Washington: Government Printing Office, 1917.
ISBN: NoISBN. First Edition. Softcover. Ex library with usual marks. Paperback, wrappers quite worn, parts missing. Soiled at edges of pages & a little interior soiling. Size: 8vo. 107 pages. Quantity Available: 1. Shipped Weight: 2 pounds or less. Category: Natural History & Resources; Science & Technology. Pictures of this item not already displayed here available upon request. Inventory No: 3497. Good Condition / No Dust Jacket.