Great audiobook "The National Geographic Magazine Vol. 04 - National Geographic Society" online free

The National Geographic Magazine Volume 4, articles published in 1892 and 1893.

• The Evolution of Commerce: Annual Address by the President, Gardiner G. Hubbard
• Studies of Muir Glacier, Alaska
• Geography of the Air: Annual Report by Vice-President General A. W. Greely
• The Mother Maps of the United States
• An Expedition through the Yukon District
• The North American Deserts
• The Alaskan Boundary Survey
• Collinson's Arctic Journey
• Notes:
  • Topographic Survey of Canada
  • Lieutenant Peary's Crossing of northern Greenland
  • Geographic Prizes