OXli 


Symons, Lieut. Thomas \,y., vOl'PS ot J!jngmeel's, U. ~A. etc. Repori 
\7Jrr of an examination of the Upper Columbia River, and 
~the territory in its vicinity, in September and October 1881. To 
determine its navigability, and adaptability to steamboat transportation. 
Made by direction of the commanding general of the depart. 
ment of the Columbia. (47th Congress, pt Session, Senaie, Ex Doc. 
No. 186.) (Mit 7 Taf. und 1 beigeb. Ailas = 25 Taf. und 1 Karte.) 


4. Washington 11382.