Lingua: Inglese
Editore: Oregon State College, Corvallis, OR, 1952
Da: Dorley House Books, Inc., Hagerstown, MD, U.S.A.
Prima edizione
Paperback. Condizione: Very Good. 4 full page monochromatic plates, 3 text-figures. (illustratore). 1st Edition. stapled, hold punched brow printed wraps,library markings on cover; 31 clean, unmarked pages; a Monograph detailing the discovery and classification of a prehistoric leatherback sea turtle whose fossilized remains are found within the Astoria Formation in Oregon.
Lingua: Inglese
Editore: Oregon State College, Corvallis, OR, 1947
Da: Dorley House Books, Inc., Hagerstown, MD, U.S.A.
Prima edizione
Paperback. Condizione: Very Good. b/w plates, etc (illustratore). 1st Edition. stapled, hold punched brow printed wraps, library markings on cover; 31 clean, unmarked pages; a Monograph with 3 papers that details 1. an extremely rare paleontological discovery the carbonized imprints of whale baleen plates preserved in the marine sandstone of the Pliocene Empire Formation; 2. the early paleontological records of the genus Eumetopias (the same genus as the modern Steller sea lion) discovered in the marine Pliocene or Pleistocene deposits of the region & 3. an anatomical description and comparison of a well-preserved fossil humerus,