Washington: Government Printing Office, 1929.
ISBN: NoISBN. Offprint. Softcover(Saddle-stitched). Library stamp on front cover & title page. Soiled wrappers, edges little worn, corner creased. Offprint from the Smithsonian report for 1928. Includes three photo plates. Size: Large 8vo 9" - 10". 283-306 pages. Quantity Available: 1. Shipped Weight: 1 pound or less. Category: Science & Technology; Astronomy; Pictures of this item not already displayed here available upon request. Inventory No: 8017. Good Condition / No Dust Jacket.