valley rainfall and river outflow, II 56

Montana, irrigation problem (

Wilson

), II 212

resources, topography, climate, etc., II 212

Models, topographic, I 254

*Mongolia, China and Thibet, A Journey Through, II 291

Muller's references to Bering's voyage of 1725–30, II 127

Mt. St. Elias, Expedition to, II 288, 293

Exploration of, II 297, 302