Public domain. Cover image from Project Gutenberg ebook #63122. Geography of the Air by A. W. Greely Chapters (2) 1 THE 0:002 NATIONAL GEOGRAPHIC MAGAZINE. GEOGRAPHY OF THE AIR. A. W. GREELY. 0:07 Download .m4b · 27 MB How to listen → · Problem with this narration? Let us know → Narrator Arthur — English RP Narrator (en-GB) Length 26 min Language English Added November 14, 2026 Source ebook Project Gutenberg License Public domain Nonfiction