The National Geographic Magazine, Volumen3

Agassiz glacier Alaska Amazon appears avalanches base beneath Bering Bering island Bering's Blossom island border camp canoe carts chart Coast and Geodetic crest crevasses débris dense Disenchantment bay eastern elevation Elias range Elias region expedition exploration feet flows formed Geodetic Survey GEOG Geological Survey glacial Haenke island height Hitchcock range ice-streams Icy bay indicated Kamshatka Kerr l'Isle l'Isle's lake land longitude lower Lucia glacier Malaspina glacier margin Marvine glacier melting miles moraines Mount Augusta Mount Cook Mount Owen Mount St NATIONAL GEOGRAPHIC National Geographic Society névé night observations peaks Pinnacle system plateau Port Mulgrave portion reached ridge river rocks route rugged Russian sandstone Seward glacier shale shore side slope snow snow-fields southern southward steep stones storm stream Street summit surface tent terrace tion topographic tunnel valley vegetation voyage western westward Yakutat bay Yakutat system