
<b>The National Geographic Magazine Volume 4, articles published in 1892 and 1893.</b><br /><br />The Evolution of Commerce: Annual Address by the President, Gardiner G. Hubbard<br />Studies of Muir Glacier, Alaska<br />Geography of the Air: Annual Report by Vice-President General A. W. Greely<br />The Mother Maps of the United States<br />An Expedition through the Yukon District<br />The North American Deserts<br />The Alaskan Boundary Survey<br />Collinson's Arctic Journey<br /><br />Notes:<br />Topographic Survey of Canada<br />Lieutenant Peary's Crossing of northern Greenland<br />Geographic Prizes