Verlag: Colorado College Publication, Colorado Springs CO, 1911
Anbieter: Colorado Pioneer Books, Centennial, CO, USA
Verbandsmitglied: RMABA
Erstausgabe
Pamphlet. Zustand: Very Good. 1st Edition. Pages 289 - 328. General Series No. 54, Science Series Vol. XII, Nos. 8 and 9. Illustrated with photos and charts. Very good in gray wrappers. (107).