612 



METEOROLOGICAL OBSERVATIONS. 

 Meteorological Observations on route to Fort Colville. 



* On a branch of the Columbia, east of Okinakane river. 



t On the plains south of Spokane river, and on the tributaries of Snake river, or Lewis s Fork. 



NOTE. The remaining observations are in the valley of the Columbia, and on the plain, and present no noticeable feature. 



