134 INDEX. 



Pago. 



Tysch prairie, description of 86 



Umpqua caflon, description of - - - -. 107 



Umpqua mountains, description of - 34 



passes through 50 



Umpqua valley, description of - - 34 



railroad character of 50 



Upper Klamath lake, description of 6C-C7 



route near -- - 67-68 



Variation of the needle, abnormal disturbance of - 99-100 



Wain Chuck canon, warm springs in - - 85 86, 90 



Warn Chuck river, cauon of - 85-86 



Washington, return of the party to - Ill 



Why-chus creek -- 75 



Willamette valley, climate of 34 



railroad character of 48 



routes through 82, 102, 106 



tables of water-courses in 48-49 



Wright hike 28,65 



Yreka, description of 110 



in 127 



